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Finding the Third Proportional to 10,518 and 15,627

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Solution

The third proportional to 10,518 and 15,627 is: 23,217.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,518 : 15,627 = 15,627 : x
  2. Step 2: Convert to fraction form
    10,518/15,627 = 15,627/x
  3. Step 3: Cross multiply
    10,518x = 15,627 × 15,627
  4. Step 4: Simplify right side
    10,518x = 244,203,129
  5. Step 5: Solve for x
    x = 244,203,129/10,518
  6. Step 6: Final answer
    x = 23,217.64

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.