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Finding the Third Proportional to 2,176.88 and 3,858.19

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Solution

The third proportional to 2,176.88 and 3,858.19 is: 6,838.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,176.88 : 3,858.19 = 3,858.19 : x
  2. Step 2: Convert to fraction form
    2,176.88/3,858.19 = 3,858.19/x
  3. Step 3: Cross multiply
    2,176.88x = 3,858.19 × 3,858.19
  4. Step 4: Simplify right side
    2,176.88x = 14,885,610.79
  5. Step 5: Solve for x
    x = 14,885,610.79/2,176.88
  6. Step 6: Final answer
    x = 6,838.06

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Why These Related Problems?

These problems maintain the same ratio (1.77) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.