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Finding the Third Proportional to 5,688 and 8,802

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Solution

The third proportional to 5,688 and 8,802 is: 13,620.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,688 : 8,802 = 8,802 : x
  2. Step 2: Convert to fraction form
    5,688/8,802 = 8,802/x
  3. Step 3: Cross multiply
    5,688x = 8,802 × 8,802
  4. Step 4: Simplify right side
    5,688x = 77,475,204
  5. Step 5: Solve for x
    x = 77,475,204/5,688
  6. Step 6: Final answer
    x = 13,620.82

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.