Home / 640,840,392-1,315,653,660

Finding the Third Proportional to 640,840,392 and 1,315,653,660

Calculator

Solution

The third proportional to 640,840,392 and 1,315,653,660 is: 2,701,054,076.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    640,840,392 : 1,315,653,660 = 1,315,653,660 : x
  2. Step 2: Convert to fraction form
    640,840,392/1,315,653,660 = 1,315,653,660/x
  3. Step 3: Cross multiply
    640,840,392x = 1,315,653,660 × 1,315,653,660
  4. Step 4: Simplify right side
    640,840,392x = 1,730,944,553,071,395,584
  5. Step 5: Solve for x
    x = 1,730,944,553,071,395,584/640,840,392
  6. Step 6: Final answer
    x = 2,701,054,076.30

Related Problems

Find third proportional to 320,420,196 and 657,826,830
Half scale
Find third proportional to 1,281,680,784 and 2,631,307,320
Double scale
Find third proportional to 640,840,394 and 1,315,653,664
Similar ratio
Find third proportional to 961,260,588 and 1,973,480,490
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.