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Finding the Third Proportional to 75,778 and 159,412

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Solution

The third proportional to 75,778 and 159,412 is: 335,350.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,778 : 159,412 = 159,412 : x
  2. Step 2: Convert to fraction form
    75,778/159,412 = 159,412/x
  3. Step 3: Cross multiply
    75,778x = 159,412 × 159,412
  4. Step 4: Simplify right side
    75,778x = 25,412,185,744
  5. Step 5: Solve for x
    x = 25,412,185,744/75,778
  6. Step 6: Final answer
    x = 335,350.44

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.