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Finding the Third Proportional to 10,488.75 and 20,444.63

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Solution

The third proportional to 10,488.75 and 20,444.63 is: 39,850.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,488.75 : 20,444.63 = 20,444.63 : x
  2. Step 2: Convert to fraction form
    10,488.75/20,444.63 = 20,444.63/x
  3. Step 3: Cross multiply
    10,488.75x = 20,444.63 × 20,444.63
  4. Step 4: Simplify right side
    10,488.75x = 417,982,691.39
  5. Step 5: Solve for x
    x = 417,982,691.39/10,488.75
  6. Step 6: Final answer
    x = 39,850.57

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Why These Related Problems?

These problems maintain the same ratio (1.95) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.