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Finding the Third Proportional to 9,684 and 15,438

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Solution

The third proportional to 9,684 and 15,438 is: 24,610.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,684 : 15,438 = 15,438 : x
  2. Step 2: Convert to fraction form
    9,684/15,438 = 15,438/x
  3. Step 3: Cross multiply
    9,684x = 15,438 × 15,438
  4. Step 4: Simplify right side
    9,684x = 238,331,844
  5. Step 5: Solve for x
    x = 238,331,844/9,684
  6. Step 6: Final answer
    x = 24,610.89

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.