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Finding the Third Proportional to 76,432 and 116,286

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Solution

The third proportional to 76,432 and 116,286 is: 176,921.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,432 : 116,286 = 116,286 : x
  2. Step 2: Convert to fraction form
    76,432/116,286 = 116,286/x
  3. Step 3: Cross multiply
    76,432x = 116,286 × 116,286
  4. Step 4: Simplify right side
    76,432x = 13,522,433,796
  5. Step 5: Solve for x
    x = 13,522,433,796/76,432
  6. Step 6: Final answer
    x = 176,921.10

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.