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Finding the Third Proportional to 1,549 and 3,159.50

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Solution

The third proportional to 1,549 and 3,159.50 is: 6,444.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,549 : 3,159.50 = 3,159.50 : x
  2. Step 2: Convert to fraction form
    1,549/3,159.50 = 3,159.50/x
  3. Step 3: Cross multiply
    1,549x = 3,159.50 × 3,159.50
  4. Step 4: Simplify right side
    1,549x = 9,982,440.25
  5. Step 5: Solve for x
    x = 9,982,440.25/1,549
  6. Step 6: Final answer
    x = 6,444.44

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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.