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Finding the Third Proportional to 6,439 and 9,614

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Solution

The third proportional to 6,439 and 9,614 is: 14,354.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,439 : 9,614 = 9,614 : x
  2. Step 2: Convert to fraction form
    6,439/9,614 = 9,614/x
  3. Step 3: Cross multiply
    6,439x = 9,614 × 9,614
  4. Step 4: Simplify right side
    6,439x = 92,428,996
  5. Step 5: Solve for x
    x = 92,428,996/6,439
  6. Step 6: Final answer
    x = 14,354.56

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.