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Finding the Third Proportional to 60,718.78 and 91,084.92

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Solution

The third proportional to 60,718.78 and 91,084.92 is: 136,637.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,718.78 : 91,084.92 = 91,084.92 : x
  2. Step 2: Convert to fraction form
    60,718.78/91,084.92 = 91,084.92/x
  3. Step 3: Cross multiply
    60,718.78x = 91,084.92 × 91,084.92
  4. Step 4: Simplify right side
    60,718.78x = 8,296,462,992.97
  5. Step 5: Solve for x
    x = 8,296,462,992.97/60,718.78
  6. Step 6: Final answer
    x = 136,637.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.