Home / 72,126-157,374

Finding the Third Proportional to 72,126 and 157,374

Calculator

Solution

The third proportional to 72,126 and 157,374 is: 343,379.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,126 : 157,374 = 157,374 : x
  2. Step 2: Convert to fraction form
    72,126/157,374 = 157,374/x
  3. Step 3: Cross multiply
    72,126x = 157,374 × 157,374
  4. Step 4: Simplify right side
    72,126x = 24,766,575,876
  5. Step 5: Solve for x
    x = 24,766,575,876/72,126
  6. Step 6: Final answer
    x = 343,379.31

Related Problems

Find third proportional to 36,063 and 78,687
Half scale
Find third proportional to 144,252 and 314,748
Double scale
Find third proportional to 72,128 and 157,378
Similar ratio
Find third proportional to 108,189 and 236,061
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.