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Finding the Third Proportional to 66,528 and 91,152

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Solution

The third proportional to 66,528 and 91,152 is: 124,890.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,528 : 91,152 = 91,152 : x
  2. Step 2: Convert to fraction form
    66,528/91,152 = 91,152/x
  3. Step 3: Cross multiply
    66,528x = 91,152 × 91,152
  4. Step 4: Simplify right side
    66,528x = 8,308,687,104
  5. Step 5: Solve for x
    x = 8,308,687,104/66,528
  6. Step 6: Final answer
    x = 124,890.08

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.