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Finding the Third Proportional to 2,113.88 and 2,873.25

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Solution

The third proportional to 2,113.88 and 2,873.25 is: 3,905.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,113.88 : 2,873.25 = 2,873.25 : x
  2. Step 2: Convert to fraction form
    2,113.88/2,873.25 = 2,873.25/x
  3. Step 3: Cross multiply
    2,113.88x = 2,873.25 × 2,873.25
  4. Step 4: Simplify right side
    2,113.88x = 8,255,565.56
  5. Step 5: Solve for x
    x = 8,255,565.56/2,113.88
  6. Step 6: Final answer
    x = 3,905.42

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.