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Finding the Third Proportional to 14,243 and 31,167

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Solution

The third proportional to 14,243 and 31,167 is: 68,200.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,243 : 31,167 = 31,167 : x
  2. Step 2: Convert to fraction form
    14,243/31,167 = 31,167/x
  3. Step 3: Cross multiply
    14,243x = 31,167 × 31,167
  4. Step 4: Simplify right side
    14,243x = 971,381,889
  5. Step 5: Solve for x
    x = 971,381,889/14,243
  6. Step 6: Final answer
    x = 68,200.65

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.