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Finding the Third Proportional to 49,902 and 75,370

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Solution

The third proportional to 49,902 and 75,370 is: 113,835.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,902 : 75,370 = 75,370 : x
  2. Step 2: Convert to fraction form
    49,902/75,370 = 75,370/x
  3. Step 3: Cross multiply
    49,902x = 75,370 × 75,370
  4. Step 4: Simplify right side
    49,902x = 5,680,636,900
  5. Step 5: Solve for x
    x = 5,680,636,900/49,902
  6. Step 6: Final answer
    x = 113,835.86

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.