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Finding the Third Proportional to 70,134 and 98,649

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Solution

The third proportional to 70,134 and 98,649 is: 138,757.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,134 : 98,649 = 98,649 : x
  2. Step 2: Convert to fraction form
    70,134/98,649 = 98,649/x
  3. Step 3: Cross multiply
    70,134x = 98,649 × 98,649
  4. Step 4: Simplify right side
    70,134x = 9,731,625,201
  5. Step 5: Solve for x
    x = 9,731,625,201/70,134
  6. Step 6: Final answer
    x = 138,757.60

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.