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Finding the Third Proportional to 2,521.13 and 4,839.75

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Solution

The third proportional to 2,521.13 and 4,839.75 is: 9,290.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,521.13 : 4,839.75 = 4,839.75 : x
  2. Step 2: Convert to fraction form
    2,521.13/4,839.75 = 4,839.75/x
  3. Step 3: Cross multiply
    2,521.13x = 4,839.75 × 4,839.75
  4. Step 4: Simplify right side
    2,521.13x = 23,423,180.06
  5. Step 5: Solve for x
    x = 23,423,180.06/2,521.13
  6. Step 6: Final answer
    x = 9,290.77

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Why These Related Problems?

These problems maintain the same ratio (1.92) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.