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Finding the Third Proportional to 8,653.50 and 18,549

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Solution

The third proportional to 8,653.50 and 18,549 is: 39,760.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,653.50 : 18,549 = 18,549 : x
  2. Step 2: Convert to fraction form
    8,653.50/18,549 = 18,549/x
  3. Step 3: Cross multiply
    8,653.50x = 18,549 × 18,549
  4. Step 4: Simplify right side
    8,653.50x = 344,065,401
  5. Step 5: Solve for x
    x = 344,065,401/8,653.50
  6. Step 6: Final answer
    x = 39,760.26

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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.