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Finding the Third Proportional to 1,042.75 and 1,560.88

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Solution

The third proportional to 1,042.75 and 1,560.88 is: 2,336.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,042.75 : 1,560.88 = 1,560.88 : x
  2. Step 2: Convert to fraction form
    1,042.75/1,560.88 = 1,560.88/x
  3. Step 3: Cross multiply
    1,042.75x = 1,560.88 × 1,560.88
  4. Step 4: Simplify right side
    1,042.75x = 2,436,330.77
  5. Step 5: Solve for x
    x = 2,436,330.77/1,042.75
  6. Step 6: Final answer
    x = 2,336.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.