Home / 87,222-116,721

Finding the Third Proportional to 87,222 and 116,721

Calculator

Solution

The third proportional to 87,222 and 116,721 is: 156,196.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,222 : 116,721 = 116,721 : x
  2. Step 2: Convert to fraction form
    87,222/116,721 = 116,721/x
  3. Step 3: Cross multiply
    87,222x = 116,721 × 116,721
  4. Step 4: Simplify right side
    87,222x = 13,623,791,841
  5. Step 5: Solve for x
    x = 13,623,791,841/87,222
  6. Step 6: Final answer
    x = 156,196.74

Related Problems

Find third proportional to 43,611 and 58,360.50
Half scale
Find third proportional to 174,444 and 233,442
Double scale
Find third proportional to 87,224 and 116,724
Similar ratio
Find third proportional to 130,833 and 175,081.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.