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Finding the Third Proportional to 2,283.75 and 3,319.31

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Solution

The third proportional to 2,283.75 and 3,319.31 is: 4,824.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,283.75 : 3,319.31 = 3,319.31 : x
  2. Step 2: Convert to fraction form
    2,283.75/3,319.31 = 3,319.31/x
  3. Step 3: Cross multiply
    2,283.75x = 3,319.31 × 3,319.31
  4. Step 4: Simplify right side
    2,283.75x = 11,017,835.47
  5. Step 5: Solve for x
    x = 11,017,835.47/2,283.75
  6. Step 6: Final answer
    x = 4,824.45

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Why These Related Problems?

These problems maintain the same ratio (1.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.