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Finding the Third Proportional to 4,324 and 6,638

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Solution

The third proportional to 4,324 and 6,638 is: 10,190.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,324 : 6,638 = 6,638 : x
  2. Step 2: Convert to fraction form
    4,324/6,638 = 6,638/x
  3. Step 3: Cross multiply
    4,324x = 6,638 × 6,638
  4. Step 4: Simplify right side
    4,324x = 44,063,044
  5. Step 5: Solve for x
    x = 44,063,044/4,324
  6. Step 6: Final answer
    x = 10,190.34

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.