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Finding the Third Proportional to 6,432 and 11,460

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Solution

The third proportional to 6,432 and 11,460 is: 20,418.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,432 : 11,460 = 11,460 : x
  2. Step 2: Convert to fraction form
    6,432/11,460 = 11,460/x
  3. Step 3: Cross multiply
    6,432x = 11,460 × 11,460
  4. Step 4: Simplify right side
    6,432x = 131,331,600
  5. Step 5: Solve for x
    x = 131,331,600/6,432
  6. Step 6: Final answer
    x = 20,418.47

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Why These Related Problems?

These problems maintain the same ratio (1.78) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.