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Finding the Third Proportional to 6,421 and 9,604

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Solution

The third proportional to 6,421 and 9,604 is: 14,364.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,421 : 9,604 = 9,604 : x
  2. Step 2: Convert to fraction form
    6,421/9,604 = 9,604/x
  3. Step 3: Cross multiply
    6,421x = 9,604 × 9,604
  4. Step 4: Simplify right side
    6,421x = 92,236,816
  5. Step 5: Solve for x
    x = 92,236,816/6,421
  6. Step 6: Final answer
    x = 14,364.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.