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Finding the Third Proportional to 5,510 and 8,508

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Solution

The third proportional to 5,510 and 8,508 is: 13,137.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,510 : 8,508 = 8,508 : x
  2. Step 2: Convert to fraction form
    5,510/8,508 = 8,508/x
  3. Step 3: Cross multiply
    5,510x = 8,508 × 8,508
  4. Step 4: Simplify right side
    5,510x = 72,386,064
  5. Step 5: Solve for x
    x = 72,386,064/5,510
  6. Step 6: Final answer
    x = 13,137.22

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.