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Finding the Third Proportional to 14,666.50 and 31,151

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Solution

The third proportional to 14,666.50 and 31,151 is: 66,163.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,666.50 : 31,151 = 31,151 : x
  2. Step 2: Convert to fraction form
    14,666.50/31,151 = 31,151/x
  3. Step 3: Cross multiply
    14,666.50x = 31,151 × 31,151
  4. Step 4: Simplify right side
    14,666.50x = 970,384,801
  5. Step 5: Solve for x
    x = 970,384,801/14,666.50
  6. Step 6: Final answer
    x = 66,163.35

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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.