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Finding the Third Proportional to 3,117 and 7,523

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Solution

The third proportional to 3,117 and 7,523 is: 18,157.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,117 : 7,523 = 7,523 : x
  2. Step 2: Convert to fraction form
    3,117/7,523 = 7,523/x
  3. Step 3: Cross multiply
    3,117x = 7,523 × 7,523
  4. Step 4: Simplify right side
    3,117x = 56,595,529
  5. Step 5: Solve for x
    x = 56,595,529/3,117
  6. Step 6: Final answer
    x = 18,157.05

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Why These Related Problems?

These problems maintain the same ratio (2.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.