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Finding the Third Proportional to 36,991 and 52,342

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Solution

The third proportional to 36,991 and 52,342 is: 74,063.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,991 : 52,342 = 52,342 : x
  2. Step 2: Convert to fraction form
    36,991/52,342 = 52,342/x
  3. Step 3: Cross multiply
    36,991x = 52,342 × 52,342
  4. Step 4: Simplify right side
    36,991x = 2,739,684,964
  5. Step 5: Solve for x
    x = 2,739,684,964/36,991
  6. Step 6: Final answer
    x = 74,063.56

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.