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Finding the Third Proportional to 5,114 and 5,690

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Solution

The third proportional to 5,114 and 5,690 is: 6,330.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,114 : 5,690 = 5,690 : x
  2. Step 2: Convert to fraction form
    5,114/5,690 = 5,690/x
  3. Step 3: Cross multiply
    5,114x = 5,690 × 5,690
  4. Step 4: Simplify right side
    5,114x = 32,376,100
  5. Step 5: Solve for x
    x = 32,376,100/5,114
  6. Step 6: Final answer
    x = 6,330.88

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Why These Related Problems?

These problems maintain the same ratio (1.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.