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Finding the Third Proportional to 73,245.52 and 155,487.73

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Solution

The third proportional to 73,245.52 and 155,487.73 is: 330,073.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,245.52 : 155,487.73 = 155,487.73 : x
  2. Step 2: Convert to fraction form
    73,245.52/155,487.73 = 155,487.73/x
  3. Step 3: Cross multiply
    73,245.52x = 155,487.73 × 155,487.73
  4. Step 4: Simplify right side
    73,245.52x = 24,176,433,111.57
  5. Step 5: Solve for x
    x = 24,176,433,111.57/73,245.52
  6. Step 6: Final answer
    x = 330,073.90

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.