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Finding the Third Proportional to 10,415.50 and 15,637

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Solution

The third proportional to 10,415.50 and 15,637 is: 23,476.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,415.50 : 15,637 = 15,637 : x
  2. Step 2: Convert to fraction form
    10,415.50/15,637 = 15,637/x
  3. Step 3: Cross multiply
    10,415.50x = 15,637 × 15,637
  4. Step 4: Simplify right side
    10,415.50x = 244,515,769
  5. Step 5: Solve for x
    x = 244,515,769/10,415.50
  6. Step 6: Final answer
    x = 23,476.14

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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.