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Finding the Third Proportional to 4,288 and 5,704

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Solution

The third proportional to 4,288 and 5,704 is: 7,587.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,288 : 5,704 = 5,704 : x
  2. Step 2: Convert to fraction form
    4,288/5,704 = 5,704/x
  3. Step 3: Cross multiply
    4,288x = 5,704 × 5,704
  4. Step 4: Simplify right side
    4,288x = 32,535,616
  5. Step 5: Solve for x
    x = 32,535,616/4,288
  6. Step 6: Final answer
    x = 7,587.60

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Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.