Home / 87,672-135,600

Finding the Third Proportional to 87,672 and 135,600

Calculator

Solution

The third proportional to 87,672 and 135,600 is: 209,728.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,672 : 135,600 = 135,600 : x
  2. Step 2: Convert to fraction form
    87,672/135,600 = 135,600/x
  3. Step 3: Cross multiply
    87,672x = 135,600 × 135,600
  4. Step 4: Simplify right side
    87,672x = 18,387,360,000
  5. Step 5: Solve for x
    x = 18,387,360,000/87,672
  6. Step 6: Final answer
    x = 209,728.99

Related Problems

Find third proportional to 43,836 and 67,800
Half scale
Find third proportional to 175,344 and 271,200
Double scale
Find third proportional to 87,674 and 135,603
Similar ratio
Find third proportional to 131,508 and 203,400
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.