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Finding the Third Proportional to 4,808.25 and 9,815.63

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Solution

The third proportional to 4,808.25 and 9,815.63 is: 20,037.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,808.25 : 9,815.63 = 9,815.63 : x
  2. Step 2: Convert to fraction form
    4,808.25/9,815.63 = 9,815.63/x
  3. Step 3: Cross multiply
    4,808.25x = 9,815.63 × 9,815.63
  4. Step 4: Simplify right side
    4,808.25x = 96,346,494.14
  5. Step 5: Solve for x
    x = 96,346,494.14/4,808.25
  6. Step 6: Final answer
    x = 20,037.75

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Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.