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Finding the Third Proportional to 2,955.66 and 6,502.78

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Solution

The third proportional to 2,955.66 and 6,502.78 is: 14,306.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,955.66 : 6,502.78 = 6,502.78 : x
  2. Step 2: Convert to fraction form
    2,955.66/6,502.78 = 6,502.78/x
  3. Step 3: Cross multiply
    2,955.66x = 6,502.78 × 6,502.78
  4. Step 4: Simplify right side
    2,955.66x = 42,286,163.99
  5. Step 5: Solve for x
    x = 42,286,163.99/2,955.66
  6. Step 6: Final answer
    x = 14,306.86

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.