Home / 115,670-157,581

Finding the Third Proportional to 115,670 and 157,581

Calculator

Solution

The third proportional to 115,670 and 157,581 is: 214,677.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,670 : 157,581 = 157,581 : x
  2. Step 2: Convert to fraction form
    115,670/157,581 = 157,581/x
  3. Step 3: Cross multiply
    115,670x = 157,581 × 157,581
  4. Step 4: Simplify right side
    115,670x = 24,831,771,561
  5. Step 5: Solve for x
    x = 24,831,771,561/115,670
  6. Step 6: Final answer
    x = 214,677.72

Related Problems

Find third proportional to 57,835 and 78,790.50
Half scale
Find third proportional to 231,340 and 315,162
Double scale
Find third proportional to 115,672 and 157,584
Similar ratio
Find third proportional to 173,505 and 236,371.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.