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Finding the Third Proportional to 8,220 and 16,746

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Solution

The third proportional to 8,220 and 16,746 is: 34,115.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,220 : 16,746 = 16,746 : x
  2. Step 2: Convert to fraction form
    8,220/16,746 = 16,746/x
  3. Step 3: Cross multiply
    8,220x = 16,746 × 16,746
  4. Step 4: Simplify right side
    8,220x = 280,428,516
  5. Step 5: Solve for x
    x = 280,428,516/8,220
  6. Step 6: Final answer
    x = 34,115.39

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Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.