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Finding the Third Proportional to 25,008.75 and 27,772.88

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Solution

The third proportional to 25,008.75 and 27,772.88 is: 30,842.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,008.75 : 27,772.88 = 27,772.88 : x
  2. Step 2: Convert to fraction form
    25,008.75/27,772.88 = 27,772.88/x
  3. Step 3: Cross multiply
    25,008.75x = 27,772.88 × 27,772.88
  4. Step 4: Simplify right side
    25,008.75x = 771,332,585.77
  5. Step 5: Solve for x
    x = 771,332,585.77/25,008.75
  6. Step 6: Final answer
    x = 30,842.51

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Why These Related Problems?

These problems maintain the same ratio (1.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.