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Finding the Third Proportional to 27,672.75 and 42,733.13

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Solution

The third proportional to 27,672.75 and 42,733.13 is: 65,989.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,672.75 : 42,733.13 = 42,733.13 : x
  2. Step 2: Convert to fraction form
    27,672.75/42,733.13 = 42,733.13/x
  3. Step 3: Cross multiply
    27,672.75x = 42,733.13 × 42,733.13
  4. Step 4: Simplify right side
    27,672.75x = 1,826,119,972.27
  5. Step 5: Solve for x
    x = 1,826,119,972.27/27,672.75
  6. Step 6: Final answer
    x = 65,989.83

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.