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Finding the Third Proportional to 14,672.50 and 31,163

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Solution

The third proportional to 14,672.50 and 31,163 is: 66,187.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,672.50 : 31,163 = 31,163 : x
  2. Step 2: Convert to fraction form
    14,672.50/31,163 = 31,163/x
  3. Step 3: Cross multiply
    14,672.50x = 31,163 × 31,163
  4. Step 4: Simplify right side
    14,672.50x = 971,132,569
  5. Step 5: Solve for x
    x = 971,132,569/14,672.50
  6. Step 6: Final answer
    x = 66,187.26

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.