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Finding the Third Proportional to 1,669.50 and 3,663

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Solution

The third proportional to 1,669.50 and 3,663 is: 8,036.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,669.50 : 3,663 = 3,663 : x
  2. Step 2: Convert to fraction form
    1,669.50/3,663 = 3,663/x
  3. Step 3: Cross multiply
    1,669.50x = 3,663 × 3,663
  4. Step 4: Simplify right side
    1,669.50x = 13,417,569
  5. Step 5: Solve for x
    x = 13,417,569/1,669.50
  6. Step 6: Final answer
    x = 8,036.88

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.