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Finding the Third Proportional to 4,514 and 8,380

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Solution

The third proportional to 4,514 and 8,380 is: 15,557.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,514 : 8,380 = 8,380 : x
  2. Step 2: Convert to fraction form
    4,514/8,380 = 8,380/x
  3. Step 3: Cross multiply
    4,514x = 8,380 × 8,380
  4. Step 4: Simplify right side
    4,514x = 70,224,400
  5. Step 5: Solve for x
    x = 70,224,400/4,514
  6. Step 6: Final answer
    x = 15,557.02

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Why These Related Problems?

These problems maintain the same ratio (1.86) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.