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Finding the Third Proportional to 76,761 and 116,999

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Solution

The third proportional to 76,761 and 116,999 is: 178,329.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,761 : 116,999 = 116,999 : x
  2. Step 2: Convert to fraction form
    76,761/116,999 = 116,999/x
  3. Step 3: Cross multiply
    76,761x = 116,999 × 116,999
  4. Step 4: Simplify right side
    76,761x = 13,688,766,001
  5. Step 5: Solve for x
    x = 13,688,766,001/76,761
  6. Step 6: Final answer
    x = 178,329.70

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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.