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Finding the Third Proportional to 18,854.44 and 29,315.25

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Solution

The third proportional to 18,854.44 and 29,315.25 is: 45,579.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,854.44 : 29,315.25 = 29,315.25 : x
  2. Step 2: Convert to fraction form
    18,854.44/29,315.25 = 29,315.25/x
  3. Step 3: Cross multiply
    18,854.44x = 29,315.25 × 29,315.25
  4. Step 4: Simplify right side
    18,854.44x = 859,383,882.56
  5. Step 5: Solve for x
    x = 859,383,882.56/18,854.44
  6. Step 6: Final answer
    x = 45,579.93

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.