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Finding the Third Proportional to 14,277 and 31,615

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Solution

The third proportional to 14,277 and 31,615 is: 70,008.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,277 : 31,615 = 31,615 : x
  2. Step 2: Convert to fraction form
    14,277/31,615 = 31,615/x
  3. Step 3: Cross multiply
    14,277x = 31,615 × 31,615
  4. Step 4: Simplify right side
    14,277x = 999,508,225
  5. Step 5: Solve for x
    x = 999,508,225/14,277
  6. Step 6: Final answer
    x = 70,008.28

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Why These Related Problems?

These problems maintain the same ratio (2.21) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.