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Finding the Third Proportional to 47,703 and 102,822

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Solution

The third proportional to 47,703 and 102,822 is: 221,628.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,703 : 102,822 = 102,822 : x
  2. Step 2: Convert to fraction form
    47,703/102,822 = 102,822/x
  3. Step 3: Cross multiply
    47,703x = 102,822 × 102,822
  4. Step 4: Simplify right side
    47,703x = 10,572,363,684
  5. Step 5: Solve for x
    x = 10,572,363,684/47,703
  6. Step 6: Final answer
    x = 221,628.91

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.