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Finding the Third Proportional to 4,719 and 10,317

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Solution

The third proportional to 4,719 and 10,317 is: 22,555.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,719 : 10,317 = 10,317 : x
  2. Step 2: Convert to fraction form
    4,719/10,317 = 10,317/x
  3. Step 3: Cross multiply
    4,719x = 10,317 × 10,317
  4. Step 4: Simplify right side
    4,719x = 106,440,489
  5. Step 5: Solve for x
    x = 106,440,489/4,719
  6. Step 6: Final answer
    x = 22,555.73

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.