Home / 66,217-85,022

Finding the Third Proportional to 66,217 and 85,022

Calculator

Solution

The third proportional to 66,217 and 85,022 is: 109,167.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,217 : 85,022 = 85,022 : x
  2. Step 2: Convert to fraction form
    66,217/85,022 = 85,022/x
  3. Step 3: Cross multiply
    66,217x = 85,022 × 85,022
  4. Step 4: Simplify right side
    66,217x = 7,228,740,484
  5. Step 5: Solve for x
    x = 7,228,740,484/66,217
  6. Step 6: Final answer
    x = 109,167.44

Related Problems

Find third proportional to 33,108.50 and 42,511
Half scale
Find third proportional to 132,434 and 170,044
Double scale
Find third proportional to 66,219 and 85,025
Similar ratio
Find third proportional to 99,325.50 and 127,533
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.28) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.