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Finding the Third Proportional to 75,746 and 106,207

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Solution

The third proportional to 75,746 and 106,207 is: 148,917.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,746 : 106,207 = 106,207 : x
  2. Step 2: Convert to fraction form
    75,746/106,207 = 106,207/x
  3. Step 3: Cross multiply
    75,746x = 106,207 × 106,207
  4. Step 4: Simplify right side
    75,746x = 11,279,926,849
  5. Step 5: Solve for x
    x = 11,279,926,849/75,746
  6. Step 6: Final answer
    x = 148,917.79

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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.