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Finding the Third Proportional to 36,391 and 55,559

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Solution

The third proportional to 36,391 and 55,559 is: 84,823.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,391 : 55,559 = 55,559 : x
  2. Step 2: Convert to fraction form
    36,391/55,559 = 55,559/x
  3. Step 3: Cross multiply
    36,391x = 55,559 × 55,559
  4. Step 4: Simplify right side
    36,391x = 3,086,802,481
  5. Step 5: Solve for x
    x = 3,086,802,481/36,391
  6. Step 6: Final answer
    x = 84,823.24

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.