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Finding the Third Proportional to 4,715 and 10,177

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Solution

The third proportional to 4,715 and 10,177 is: 21,966.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,715 : 10,177 = 10,177 : x
  2. Step 2: Convert to fraction form
    4,715/10,177 = 10,177/x
  3. Step 3: Cross multiply
    4,715x = 10,177 × 10,177
  4. Step 4: Simplify right side
    4,715x = 103,571,329
  5. Step 5: Solve for x
    x = 103,571,329/4,715
  6. Step 6: Final answer
    x = 21,966.35

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.