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Finding the Third Proportional to 17,821.13 and 28,029.94

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Solution

The third proportional to 17,821.13 and 28,029.94 is: 44,086.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,821.13 : 28,029.94 = 28,029.94 : x
  2. Step 2: Convert to fraction form
    17,821.13/28,029.94 = 28,029.94/x
  3. Step 3: Cross multiply
    17,821.13x = 28,029.94 × 28,029.94
  4. Step 4: Simplify right side
    17,821.13x = 785,677,396.25
  5. Step 5: Solve for x
    x = 785,677,396.25/17,821.13
  6. Step 6: Final answer
    x = 44,086.86

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.