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Finding the Third Proportional to 1,305.38 and 2,747.63

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Solution

The third proportional to 1,305.38 and 2,747.63 is: 5,783.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,305.38 : 2,747.63 = 2,747.63 : x
  2. Step 2: Convert to fraction form
    1,305.38/2,747.63 = 2,747.63/x
  3. Step 3: Cross multiply
    1,305.38x = 2,747.63 × 2,747.63
  4. Step 4: Simplify right side
    1,305.38x = 7,549,443.14
  5. Step 5: Solve for x
    x = 7,549,443.14/1,305.38
  6. Step 6: Final answer
    x = 5,783.35

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These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.