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Finding the Third Proportional to 60,972.75 and 91,000.13

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Solution

The third proportional to 60,972.75 and 91,000.13 is: 135,815.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,972.75 : 91,000.13 = 91,000.13 : x
  2. Step 2: Convert to fraction form
    60,972.75/91,000.13 = 91,000.13/x
  3. Step 3: Cross multiply
    60,972.75x = 91,000.13 × 91,000.13
  4. Step 4: Simplify right side
    60,972.75x = 8,281,022,750.02
  5. Step 5: Solve for x
    x = 8,281,022,750.02/60,972.75
  6. Step 6: Final answer
    x = 135,815.14

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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.