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Finding the Third Proportional to 84,098 and 126,498

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Solution

The third proportional to 84,098 and 126,498 is: 190,274.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,098 : 126,498 = 126,498 : x
  2. Step 2: Convert to fraction form
    84,098/126,498 = 126,498/x
  3. Step 3: Cross multiply
    84,098x = 126,498 × 126,498
  4. Step 4: Simplify right side
    84,098x = 16,001,744,004
  5. Step 5: Solve for x
    x = 16,001,744,004/84,098
  6. Step 6: Final answer
    x = 190,274.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.