Home / 87,553-135,830

Finding the Third Proportional to 87,553 and 135,830

Calculator

Solution

The third proportional to 87,553 and 135,830 is: 210,727.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,553 : 135,830 = 135,830 : x
  2. Step 2: Convert to fraction form
    87,553/135,830 = 135,830/x
  3. Step 3: Cross multiply
    87,553x = 135,830 × 135,830
  4. Step 4: Simplify right side
    87,553x = 18,449,788,900
  5. Step 5: Solve for x
    x = 18,449,788,900/87,553
  6. Step 6: Final answer
    x = 210,727.09

Related Problems

Find third proportional to 43,776.50 and 67,915
Half scale
Find third proportional to 175,106 and 271,660
Double scale
Find third proportional to 87,555 and 135,833
Similar ratio
Find third proportional to 131,329.50 and 203,745
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.