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Finding the Third Proportional to 5,248 and 8,456

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Solution

The third proportional to 5,248 and 8,456 is: 13,624.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,248 : 8,456 = 8,456 : x
  2. Step 2: Convert to fraction form
    5,248/8,456 = 8,456/x
  3. Step 3: Cross multiply
    5,248x = 8,456 × 8,456
  4. Step 4: Simplify right side
    5,248x = 71,503,936
  5. Step 5: Solve for x
    x = 71,503,936/5,248
  6. Step 6: Final answer
    x = 13,624.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.