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Finding the Third Proportional to 8,884 and 12,630

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Solution

The third proportional to 8,884 and 12,630 is: 17,955.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,884 : 12,630 = 12,630 : x
  2. Step 2: Convert to fraction form
    8,884/12,630 = 12,630/x
  3. Step 3: Cross multiply
    8,884x = 12,630 × 12,630
  4. Step 4: Simplify right side
    8,884x = 159,516,900
  5. Step 5: Solve for x
    x = 159,516,900/8,884
  6. Step 6: Final answer
    x = 17,955.53

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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.