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Finding the Third Proportional to 34,694 and 74,649

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Solution

The third proportional to 34,694 and 74,649 is: 160,617.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,694 : 74,649 = 74,649 : x
  2. Step 2: Convert to fraction form
    34,694/74,649 = 74,649/x
  3. Step 3: Cross multiply
    34,694x = 74,649 × 74,649
  4. Step 4: Simplify right side
    34,694x = 5,572,473,201
  5. Step 5: Solve for x
    x = 5,572,473,201/34,694
  6. Step 6: Final answer
    x = 160,617.78

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.