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Finding the Third Proportional to 15,549 and 22,108.50

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Solution

The third proportional to 15,549 and 22,108.50 is: 31,435.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,549 : 22,108.50 = 22,108.50 : x
  2. Step 2: Convert to fraction form
    15,549/22,108.50 = 22,108.50/x
  3. Step 3: Cross multiply
    15,549x = 22,108.50 × 22,108.50
  4. Step 4: Simplify right side
    15,549x = 488,785,772.25
  5. Step 5: Solve for x
    x = 488,785,772.25/15,549
  6. Step 6: Final answer
    x = 31,435.19

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Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.