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Finding the Third Proportional to 19,098 and 28,649

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Solution

The third proportional to 19,098 and 28,649 is: 42,976.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,098 : 28,649 = 28,649 : x
  2. Step 2: Convert to fraction form
    19,098/28,649 = 28,649/x
  3. Step 3: Cross multiply
    19,098x = 28,649 × 28,649
  4. Step 4: Simplify right side
    19,098x = 820,765,201
  5. Step 5: Solve for x
    x = 820,765,201/19,098
  6. Step 6: Final answer
    x = 42,976.50

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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.