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Finding the Third Proportional to 2,040.56 and 2,908.88

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Solution

The third proportional to 2,040.56 and 2,908.88 is: 4,146.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,040.56 : 2,908.88 = 2,908.88 : x
  2. Step 2: Convert to fraction form
    2,040.56/2,908.88 = 2,908.88/x
  3. Step 3: Cross multiply
    2,040.56x = 2,908.88 × 2,908.88
  4. Step 4: Simplify right side
    2,040.56x = 8,461,553.77
  5. Step 5: Solve for x
    x = 8,461,553.77/2,040.56
  6. Step 6: Final answer
    x = 4,146.68

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.