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Finding the Third Proportional to 2,928 and 6,432

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Solution

The third proportional to 2,928 and 6,432 is: 14,129.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,928 : 6,432 = 6,432 : x
  2. Step 2: Convert to fraction form
    2,928/6,432 = 6,432/x
  3. Step 3: Cross multiply
    2,928x = 6,432 × 6,432
  4. Step 4: Simplify right side
    2,928x = 41,370,624
  5. Step 5: Solve for x
    x = 41,370,624/2,928
  6. Step 6: Final answer
    x = 14,129.31

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.