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Finding the Third Proportional to 75,510 and 105,849

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Solution

The third proportional to 75,510 and 105,849 is: 148,377.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,510 : 105,849 = 105,849 : x
  2. Step 2: Convert to fraction form
    75,510/105,849 = 105,849/x
  3. Step 3: Cross multiply
    75,510x = 105,849 × 105,849
  4. Step 4: Simplify right side
    75,510x = 11,204,010,801
  5. Step 5: Solve for x
    x = 11,204,010,801/75,510
  6. Step 6: Final answer
    x = 148,377.84

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.