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Finding the Third Proportional to 1,981.13 and 3,040.88

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Solution

The third proportional to 1,981.13 and 3,040.88 is: 4,667.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,981.13 : 3,040.88 = 3,040.88 : x
  2. Step 2: Convert to fraction form
    1,981.13/3,040.88 = 3,040.88/x
  3. Step 3: Cross multiply
    1,981.13x = 3,040.88 × 3,040.88
  4. Step 4: Simplify right side
    1,981.13x = 9,246,920.77
  5. Step 5: Solve for x
    x = 9,246,920.77/1,981.13
  6. Step 6: Final answer
    x = 4,667.51

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.