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Finding the Third Proportional to 675.75 and 1,456.88

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Solution

The third proportional to 675.75 and 1,456.88 is: 3,140.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    675.75 : 1,456.88 = 1,456.88 : x
  2. Step 2: Convert to fraction form
    675.75/1,456.88 = 1,456.88/x
  3. Step 3: Cross multiply
    675.75x = 1,456.88 × 1,456.88
  4. Step 4: Simplify right side
    675.75x = 2,122,484.77
  5. Step 5: Solve for x
    x = 2,122,484.77/675.75
  6. Step 6: Final answer
    x = 3,140.93

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.