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Finding the Third Proportional to 49,257 and 71,730

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Solution

The third proportional to 49,257 and 71,730 is: 104,456.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,257 : 71,730 = 71,730 : x
  2. Step 2: Convert to fraction form
    49,257/71,730 = 71,730/x
  3. Step 3: Cross multiply
    49,257x = 71,730 × 71,730
  4. Step 4: Simplify right side
    49,257x = 5,145,192,900
  5. Step 5: Solve for x
    x = 5,145,192,900/49,257
  6. Step 6: Final answer
    x = 104,456.08

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.