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Finding the Third Proportional to 14,602 and 31,939

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Solution

The third proportional to 14,602 and 31,939 is: 69,860.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,602 : 31,939 = 31,939 : x
  2. Step 2: Convert to fraction form
    14,602/31,939 = 31,939/x
  3. Step 3: Cross multiply
    14,602x = 31,939 × 31,939
  4. Step 4: Simplify right side
    14,602x = 1,020,099,721
  5. Step 5: Solve for x
    x = 1,020,099,721/14,602
  6. Step 6: Final answer
    x = 69,860.27

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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.