Home / 157,929-345,382

Finding the Third Proportional to 157,929 and 345,382

Calculator

Solution

The third proportional to 157,929 and 345,382 is: 755,331.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,929 : 345,382 = 345,382 : x
  2. Step 2: Convert to fraction form
    157,929/345,382 = 345,382/x
  3. Step 3: Cross multiply
    157,929x = 345,382 × 345,382
  4. Step 4: Simplify right side
    157,929x = 119,288,725,924
  5. Step 5: Solve for x
    x = 119,288,725,924/157,929
  6. Step 6: Final answer
    x = 755,331.36

Related Problems

Find third proportional to 78,964.50 and 172,691
Half scale
Find third proportional to 315,858 and 690,764
Double scale
Find third proportional to 157,931 and 345,386
Similar ratio
Find third proportional to 236,893.50 and 518,073
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.