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Finding the Third Proportional to 28,126 and 39,563

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Solution

The third proportional to 28,126 and 39,563 is: 55,650.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,126 : 39,563 = 39,563 : x
  2. Step 2: Convert to fraction form
    28,126/39,563 = 39,563/x
  3. Step 3: Cross multiply
    28,126x = 39,563 × 39,563
  4. Step 4: Simplify right side
    28,126x = 1,565,230,969
  5. Step 5: Solve for x
    x = 1,565,230,969/28,126
  6. Step 6: Final answer
    x = 55,650.68

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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.