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Finding the Third Proportional to 2,017.13 and 3,115.13

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Solution

The third proportional to 2,017.13 and 3,115.13 is: 4,810.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,017.13 : 3,115.13 = 3,115.13 : x
  2. Step 2: Convert to fraction form
    2,017.13/3,115.13 = 3,115.13/x
  3. Step 3: Cross multiply
    2,017.13x = 3,115.13 × 3,115.13
  4. Step 4: Simplify right side
    2,017.13x = 9,704,003.77
  5. Step 5: Solve for x
    x = 9,704,003.77/2,017.13
  6. Step 6: Final answer
    x = 4,810.81

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.