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Finding the Third Proportional to 66,125 and 156,069

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Solution

The third proportional to 66,125 and 156,069 is: 368,355.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,125 : 156,069 = 156,069 : x
  2. Step 2: Convert to fraction form
    66,125/156,069 = 156,069/x
  3. Step 3: Cross multiply
    66,125x = 156,069 × 156,069
  4. Step 4: Simplify right side
    66,125x = 24,357,532,761
  5. Step 5: Solve for x
    x = 24,357,532,761/66,125
  6. Step 6: Final answer
    x = 368,355.88

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.