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Finding the Third Proportional to 73,289 and 110,115.50

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Solution

The third proportional to 73,289 and 110,115.50 is: 165,446.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,289 : 110,115.50 = 110,115.50 : x
  2. Step 2: Convert to fraction form
    73,289/110,115.50 = 110,115.50/x
  3. Step 3: Cross multiply
    73,289x = 110,115.50 × 110,115.50
  4. Step 4: Simplify right side
    73,289x = 12,125,423,340.25
  5. Step 5: Solve for x
    x = 12,125,423,340.25/73,289
  6. Step 6: Final answer
    x = 165,446.70

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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.