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Finding the Third Proportional to 2,919.38 and 6,248.63

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Solution

The third proportional to 2,919.38 and 6,248.63 is: 13,374.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,919.38 : 6,248.63 = 6,248.63 : x
  2. Step 2: Convert to fraction form
    2,919.38/6,248.63 = 6,248.63/x
  3. Step 3: Cross multiply
    2,919.38x = 6,248.63 × 6,248.63
  4. Step 4: Simplify right side
    2,919.38x = 39,045,314.39
  5. Step 5: Solve for x
    x = 39,045,314.39/2,919.38
  6. Step 6: Final answer
    x = 13,374.55

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.