Home / 155,421,824-340,045,156

Finding the Third Proportional to 155,421,824 and 340,045,156

Calculator

Solution

The third proportional to 155,421,824 and 340,045,156 is: 743,979,868.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,421,824 : 340,045,156 = 340,045,156 : x
  2. Step 2: Convert to fraction form
    155,421,824/340,045,156 = 340,045,156/x
  3. Step 3: Cross multiply
    155,421,824x = 340,045,156 × 340,045,156
  4. Step 4: Simplify right side
    155,421,824x = 115,630,708,119,064,336
  5. Step 5: Solve for x
    x = 115,630,708,119,064,336/155,421,824
  6. Step 6: Final answer
    x = 743,979,868.10

Related Problems

Find third proportional to 77,710,912 and 170,022,578
Half scale
Find third proportional to 310,843,648 and 680,090,312
Double scale
Find third proportional to 155,421,826 and 340,045,160
Similar ratio
Find third proportional to 233,132,736 and 510,067,734
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.