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Finding the Third Proportional to 14,188 and 31,273

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Solution

The third proportional to 14,188 and 31,273 is: 68,931.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,188 : 31,273 = 31,273 : x
  2. Step 2: Convert to fraction form
    14,188/31,273 = 31,273/x
  3. Step 3: Cross multiply
    14,188x = 31,273 × 31,273
  4. Step 4: Simplify right side
    14,188x = 978,000,529
  5. Step 5: Solve for x
    x = 978,000,529/14,188
  6. Step 6: Final answer
    x = 68,931.53

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.