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Finding the Third Proportional to 10,615.50 and 22,689

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Solution

The third proportional to 10,615.50 and 22,689 is: 48,494.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,615.50 : 22,689 = 22,689 : x
  2. Step 2: Convert to fraction form
    10,615.50/22,689 = 22,689/x
  3. Step 3: Cross multiply
    10,615.50x = 22,689 × 22,689
  4. Step 4: Simplify right side
    10,615.50x = 514,790,721
  5. Step 5: Solve for x
    x = 514,790,721/10,615.50
  6. Step 6: Final answer
    x = 48,494.25

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.