Home / 642,488-1,370,476

Finding the Third Proportional to 642,488 and 1,370,476

Calculator

Solution

The third proportional to 642,488 and 1,370,476 is: 2,923,330.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    642,488 : 1,370,476 = 1,370,476 : x
  2. Step 2: Convert to fraction form
    642,488/1,370,476 = 1,370,476/x
  3. Step 3: Cross multiply
    642,488x = 1,370,476 × 1,370,476
  4. Step 4: Simplify right side
    642,488x = 1,878,204,466,576
  5. Step 5: Solve for x
    x = 1,878,204,466,576/642,488
  6. Step 6: Final answer
    x = 2,923,330.03

Related Problems

Find third proportional to 321,244 and 685,238
Half scale
Find third proportional to 1,284,976 and 2,740,952
Double scale
Find third proportional to 642,490 and 1,370,480
Similar ratio
Find third proportional to 963,732 and 2,055,714
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.