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Finding the Third Proportional to 9,478 and 14,508

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Solution

The third proportional to 9,478 and 14,508 is: 22,207.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,478 : 14,508 = 14,508 : x
  2. Step 2: Convert to fraction form
    9,478/14,508 = 14,508/x
  3. Step 3: Cross multiply
    9,478x = 14,508 × 14,508
  4. Step 4: Simplify right side
    9,478x = 210,482,064
  5. Step 5: Solve for x
    x = 210,482,064/9,478
  6. Step 6: Final answer
    x = 22,207.43

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.