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Finding the Third Proportional to 72,912.38 and 112,474.13

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Solution

The third proportional to 72,912.38 and 112,474.13 is: 173,501.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,912.38 : 112,474.13 = 112,474.13 : x
  2. Step 2: Convert to fraction form
    72,912.38/112,474.13 = 112,474.13/x
  3. Step 3: Cross multiply
    72,912.38x = 112,474.13 × 112,474.13
  4. Step 4: Simplify right side
    72,912.38x = 12,650,428,794.52
  5. Step 5: Solve for x
    x = 12,650,428,794.52/72,912.38
  6. Step 6: Final answer
    x = 173,501.81

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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.