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Finding the Third Proportional to 28,738 and 40,563

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Solution

The third proportional to 28,738 and 40,563 is: 57,253.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,738 : 40,563 = 40,563 : x
  2. Step 2: Convert to fraction form
    28,738/40,563 = 40,563/x
  3. Step 3: Cross multiply
    28,738x = 40,563 × 40,563
  4. Step 4: Simplify right side
    28,738x = 1,645,356,969
  5. Step 5: Solve for x
    x = 1,645,356,969/28,738
  6. Step 6: Final answer
    x = 57,253.70

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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.