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Finding the Third Proportional to 6,479 and 9,838

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Solution

The third proportional to 6,479 and 9,838 is: 14,938.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,479 : 9,838 = 9,838 : x
  2. Step 2: Convert to fraction form
    6,479/9,838 = 9,838/x
  3. Step 3: Cross multiply
    6,479x = 9,838 × 9,838
  4. Step 4: Simplify right side
    6,479x = 96,786,244
  5. Step 5: Solve for x
    x = 96,786,244/6,479
  6. Step 6: Final answer
    x = 14,938.45

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.