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Finding the Third Proportional to 2,159.25 and 4,472.25

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Solution

The third proportional to 2,159.25 and 4,472.25 is: 9,262.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,159.25 : 4,472.25 = 4,472.25 : x
  2. Step 2: Convert to fraction form
    2,159.25/4,472.25 = 4,472.25/x
  3. Step 3: Cross multiply
    2,159.25x = 4,472.25 × 4,472.25
  4. Step 4: Simplify right side
    2,159.25x = 20,001,020.06
  5. Step 5: Solve for x
    x = 20,001,020.06/2,159.25
  6. Step 6: Final answer
    x = 9,262.95

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.