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Finding the Third Proportional to 3,566 and 7,480

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Solution

The third proportional to 3,566 and 7,480 is: 15,689.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,566 : 7,480 = 7,480 : x
  2. Step 2: Convert to fraction form
    3,566/7,480 = 7,480/x
  3. Step 3: Cross multiply
    3,566x = 7,480 × 7,480
  4. Step 4: Simplify right side
    3,566x = 55,950,400
  5. Step 5: Solve for x
    x = 55,950,400/3,566
  6. Step 6: Final answer
    x = 15,689.96

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.