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Finding the Third Proportional to 2,209.88 and 2,904.38

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Solution

The third proportional to 2,209.88 and 2,904.38 is: 3,817.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,209.88 : 2,904.38 = 2,904.38 : x
  2. Step 2: Convert to fraction form
    2,209.88/2,904.38 = 2,904.38/x
  3. Step 3: Cross multiply
    2,209.88x = 2,904.38 × 2,904.38
  4. Step 4: Simplify right side
    2,209.88x = 8,435,394.14
  5. Step 5: Solve for x
    x = 8,435,394.14/2,209.88
  6. Step 6: Final answer
    x = 3,817.14

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Why These Related Problems?

These problems maintain the same ratio (1.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.