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Finding the Third Proportional to 1,888.31 and 4,048.73

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Solution

The third proportional to 1,888.31 and 4,048.73 is: 8,680.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,888.31 : 4,048.73 = 4,048.73 : x
  2. Step 2: Convert to fraction form
    1,888.31/4,048.73 = 4,048.73/x
  3. Step 3: Cross multiply
    1,888.31x = 4,048.73 × 4,048.73
  4. Step 4: Simplify right side
    1,888.31x = 16,392,250.04
  5. Step 5: Solve for x
    x = 16,392,250.04/1,888.31
  6. Step 6: Final answer
    x = 8,680.90

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.