Home / 87,359-130,902

Finding the Third Proportional to 87,359 and 130,902

Calculator

Solution

The third proportional to 87,359 and 130,902 is: 196,148.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,359 : 130,902 = 130,902 : x
  2. Step 2: Convert to fraction form
    87,359/130,902 = 130,902/x
  3. Step 3: Cross multiply
    87,359x = 130,902 × 130,902
  4. Step 4: Simplify right side
    87,359x = 17,135,333,604
  5. Step 5: Solve for x
    x = 17,135,333,604/87,359
  6. Step 6: Final answer
    x = 196,148.46

Related Problems

Find third proportional to 43,679.50 and 65,451
Half scale
Find third proportional to 174,718 and 261,804
Double scale
Find third proportional to 87,361 and 130,905
Similar ratio
Find third proportional to 131,038.50 and 196,353
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.