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Finding the Third Proportional to 72,049.50 and 106,209.56

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Solution

The third proportional to 72,049.50 and 106,209.56 is: 156,565.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,049.50 : 106,209.56 = 106,209.56 : x
  2. Step 2: Convert to fraction form
    72,049.50/106,209.56 = 106,209.56/x
  3. Step 3: Cross multiply
    72,049.50x = 106,209.56 × 106,209.56
  4. Step 4: Simplify right side
    72,049.50x = 11,280,471,166.44
  5. Step 5: Solve for x
    x = 11,280,471,166.44/72,049.50
  6. Step 6: Final answer
    x = 156,565.57

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.