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Finding the Third Proportional to 75,129.75 and 117,002.25

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Solution

The third proportional to 75,129.75 and 117,002.25 is: 182,211.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,129.75 : 117,002.25 = 117,002.25 : x
  2. Step 2: Convert to fraction form
    75,129.75/117,002.25 = 117,002.25/x
  3. Step 3: Cross multiply
    75,129.75x = 117,002.25 × 117,002.25
  4. Step 4: Simplify right side
    75,129.75x = 13,689,526,505.06
  5. Step 5: Solve for x
    x = 13,689,526,505.06/75,129.75
  6. Step 6: Final answer
    x = 182,211.79

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These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.