Home / 279,542-372,440

Finding the Third Proportional to 279,542 and 372,440

Calculator

Solution

The third proportional to 279,542 and 372,440 is: 496,210.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,542 : 372,440 = 372,440 : x
  2. Step 2: Convert to fraction form
    279,542/372,440 = 372,440/x
  3. Step 3: Cross multiply
    279,542x = 372,440 × 372,440
  4. Step 4: Simplify right side
    279,542x = 138,711,553,600
  5. Step 5: Solve for x
    x = 138,711,553,600/279,542
  6. Step 6: Final answer
    x = 496,210.06

Related Problems

Find third proportional to 139,771 and 186,220
Half scale
Find third proportional to 559,084 and 744,880
Double scale
Find third proportional to 279,544 and 372,443
Similar ratio
Find third proportional to 419,313 and 558,660
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.