Home / 54,288-86,169

Finding the Third Proportional to 54,288 and 86,169

Calculator

Solution

The third proportional to 54,288 and 86,169 is: 136,772.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,288 : 86,169 = 86,169 : x
  2. Step 2: Convert to fraction form
    54,288/86,169 = 86,169/x
  3. Step 3: Cross multiply
    54,288x = 86,169 × 86,169
  4. Step 4: Simplify right side
    54,288x = 7,425,096,561
  5. Step 5: Solve for x
    x = 7,425,096,561/54,288
  6. Step 6: Final answer
    x = 136,772.34

Related Problems

Find third proportional to 27,144 and 43,084.50
Half scale
Find third proportional to 108,576 and 172,338
Double scale
Find third proportional to 54,290 and 86,172
Similar ratio
Find third proportional to 81,432 and 129,253.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.