Home / 87,122-130,335

Finding the Third Proportional to 87,122 and 130,335

Calculator

Solution

The third proportional to 87,122 and 130,335 is: 194,981.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,122 : 130,335 = 130,335 : x
  2. Step 2: Convert to fraction form
    87,122/130,335 = 130,335/x
  3. Step 3: Cross multiply
    87,122x = 130,335 × 130,335
  4. Step 4: Simplify right side
    87,122x = 16,987,212,225
  5. Step 5: Solve for x
    x = 16,987,212,225/87,122
  6. Step 6: Final answer
    x = 194,981.89

Related Problems

Find third proportional to 43,561 and 65,167.50
Half scale
Find third proportional to 174,244 and 260,670
Double scale
Find third proportional to 87,124 and 130,338
Similar ratio
Find third proportional to 130,683 and 195,502.50
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.