Home / 172,140-371,472

Finding the Third Proportional to 172,140 and 371,472

Calculator

Solution

The third proportional to 172,140 and 371,472 is: 801,623.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,140 : 371,472 = 371,472 : x
  2. Step 2: Convert to fraction form
    172,140/371,472 = 371,472/x
  3. Step 3: Cross multiply
    172,140x = 371,472 × 371,472
  4. Step 4: Simplify right side
    172,140x = 137,991,446,784
  5. Step 5: Solve for x
    x = 137,991,446,784/172,140
  6. Step 6: Final answer
    x = 801,623.37

Related Problems

Find third proportional to 86,070 and 185,736
Half scale
Find third proportional to 344,280 and 742,944
Double scale
Find third proportional to 172,142 and 371,476
Similar ratio
Find third proportional to 258,210 and 557,208
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.