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Finding the Third Proportional to 2,001.75 and 3,110.81

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Solution

The third proportional to 2,001.75 and 3,110.81 is: 4,834.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,001.75 : 3,110.81 = 3,110.81 : x
  2. Step 2: Convert to fraction form
    2,001.75/3,110.81 = 3,110.81/x
  3. Step 3: Cross multiply
    2,001.75x = 3,110.81 × 3,110.81
  4. Step 4: Simplify right side
    2,001.75x = 9,677,154.41
  5. Step 5: Solve for x
    x = 9,677,154.41/2,001.75
  6. Step 6: Final answer
    x = 4,834.35

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.