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Finding the Third Proportional to 47,299 and 73,239

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Solution

The third proportional to 47,299 and 73,239 is: 113,405.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,299 : 73,239 = 73,239 : x
  2. Step 2: Convert to fraction form
    47,299/73,239 = 73,239/x
  3. Step 3: Cross multiply
    47,299x = 73,239 × 73,239
  4. Step 4: Simplify right side
    47,299x = 5,363,951,121
  5. Step 5: Solve for x
    x = 5,363,951,121/47,299
  6. Step 6: Final answer
    x = 113,405.17

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.