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Finding the Third Proportional to 3,123.88 and 6,760.34

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Solution

The third proportional to 3,123.88 and 6,760.34 is: 14,629.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,123.88 : 6,760.34 = 6,760.34 : x
  2. Step 2: Convert to fraction form
    3,123.88/6,760.34 = 6,760.34/x
  3. Step 3: Cross multiply
    3,123.88x = 6,760.34 × 6,760.34
  4. Step 4: Simplify right side
    3,123.88x = 45,702,141.99
  5. Step 5: Solve for x
    x = 45,702,141.99/3,123.88
  6. Step 6: Final answer
    x = 14,629.93

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.