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Finding the Third Proportional to 18,865.13 and 29,329.88

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Solution

The third proportional to 18,865.13 and 29,329.88 is: 45,599.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,865.13 : 29,329.88 = 29,329.88 : x
  2. Step 2: Convert to fraction form
    18,865.13/29,329.88 = 29,329.88/x
  3. Step 3: Cross multiply
    18,865.13x = 29,329.88 × 29,329.88
  4. Step 4: Simplify right side
    18,865.13x = 860,241,567.52
  5. Step 5: Solve for x
    x = 860,241,567.52/18,865.13
  6. Step 6: Final answer
    x = 45,599.57

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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.