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Finding the Third Proportional to 14,478.75 and 31,401

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Solution

The third proportional to 14,478.75 and 31,401 is: 68,101.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,478.75 : 31,401 = 31,401 : x
  2. Step 2: Convert to fraction form
    14,478.75/31,401 = 31,401/x
  3. Step 3: Cross multiply
    14,478.75x = 31,401 × 31,401
  4. Step 4: Simplify right side
    14,478.75x = 986,022,801
  5. Step 5: Solve for x
    x = 986,022,801/14,478.75
  6. Step 6: Final answer
    x = 68,101.38

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.