Home / 172,440-365,688

Finding the Third Proportional to 172,440 and 365,688

Calculator

Solution

The third proportional to 172,440 and 365,688 is: 775,502.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,440 : 365,688 = 365,688 : x
  2. Step 2: Convert to fraction form
    172,440/365,688 = 365,688/x
  3. Step 3: Cross multiply
    172,440x = 365,688 × 365,688
  4. Step 4: Simplify right side
    172,440x = 133,727,713,344
  5. Step 5: Solve for x
    x = 133,727,713,344/172,440
  6. Step 6: Final answer
    x = 775,502.86

Related Problems

Find third proportional to 86,220 and 182,844
Half scale
Find third proportional to 344,880 and 731,376
Double scale
Find third proportional to 172,442 and 365,692
Similar ratio
Find third proportional to 258,660 and 548,532
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.