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Finding the Third Proportional to 2,808.75 and 4,302.56

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Solution

The third proportional to 2,808.75 and 4,302.56 is: 6,590.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,808.75 : 4,302.56 = 4,302.56 : x
  2. Step 2: Convert to fraction form
    2,808.75/4,302.56 = 4,302.56/x
  3. Step 3: Cross multiply
    2,808.75x = 4,302.56 × 4,302.56
  4. Step 4: Simplify right side
    2,808.75x = 18,512,044.07
  5. Step 5: Solve for x
    x = 18,512,044.07/2,808.75
  6. Step 6: Final answer
    x = 6,590.85

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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.