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Finding the Third Proportional to 2,812.88 and 4,366.75

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Solution

The third proportional to 2,812.88 and 4,366.75 is: 6,779.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,812.88 : 4,366.75 = 4,366.75 : x
  2. Step 2: Convert to fraction form
    2,812.88/4,366.75 = 4,366.75/x
  3. Step 3: Cross multiply
    2,812.88x = 4,366.75 × 4,366.75
  4. Step 4: Simplify right side
    2,812.88x = 19,068,505.56
  5. Step 5: Solve for x
    x = 19,068,505.56/2,812.88
  6. Step 6: Final answer
    x = 6,779.01

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.