Home / 67,110-98,721

Finding the Third Proportional to 67,110 and 98,721

Calculator

Solution

The third proportional to 67,110 and 98,721 is: 145,221.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,110 : 98,721 = 98,721 : x
  2. Step 2: Convert to fraction form
    67,110/98,721 = 98,721/x
  3. Step 3: Cross multiply
    67,110x = 98,721 × 98,721
  4. Step 4: Simplify right side
    67,110x = 9,745,835,841
  5. Step 5: Solve for x
    x = 9,745,835,841/67,110
  6. Step 6: Final answer
    x = 145,221.81

Related Problems

Find third proportional to 33,555 and 49,360.50
Half scale
Find third proportional to 134,220 and 197,442
Double scale
Find third proportional to 67,112 and 98,724
Similar ratio
Find third proportional to 100,665 and 148,081.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.