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Finding the Third Proportional to 5,717 and 7,617

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Solution

The third proportional to 5,717 and 7,617 is: 10,148.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,717 : 7,617 = 7,617 : x
  2. Step 2: Convert to fraction form
    5,717/7,617 = 7,617/x
  3. Step 3: Cross multiply
    5,717x = 7,617 × 7,617
  4. Step 4: Simplify right side
    5,717x = 58,018,689
  5. Step 5: Solve for x
    x = 58,018,689/5,717
  6. Step 6: Final answer
    x = 10,148.45

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Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.