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Finding the Third Proportional to 2,886.75 and 4,248.56

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Solution

The third proportional to 2,886.75 and 4,248.56 is: 6,252.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,886.75 : 4,248.56 = 4,248.56 : x
  2. Step 2: Convert to fraction form
    2,886.75/4,248.56 = 4,248.56/x
  3. Step 3: Cross multiply
    2,886.75x = 4,248.56 × 4,248.56
  4. Step 4: Simplify right side
    2,886.75x = 18,050,283.32
  5. Step 5: Solve for x
    x = 18,050,283.32/2,886.75
  6. Step 6: Final answer
    x = 6,252.80

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.