Home / 120,418-187,521

Finding the Third Proportional to 120,418 and 187,521

Calculator

Solution

The third proportional to 120,418 and 187,521 is: 292,017.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,418 : 187,521 = 187,521 : x
  2. Step 2: Convert to fraction form
    120,418/187,521 = 187,521/x
  3. Step 3: Cross multiply
    120,418x = 187,521 × 187,521
  4. Step 4: Simplify right side
    120,418x = 35,164,125,441
  5. Step 5: Solve for x
    x = 35,164,125,441/120,418
  6. Step 6: Final answer
    x = 292,017.19

Related Problems

Find third proportional to 60,209 and 93,760.50
Half scale
Find third proportional to 240,836 and 375,042
Double scale
Find third proportional to 120,420 and 187,524
Similar ratio
Find third proportional to 180,627 and 281,281.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.