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Finding the Third Proportional to 507.38 and 1,086.75

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Solution

The third proportional to 507.38 and 1,086.75 is: 2,327.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    507.38 : 1,086.75 = 1,086.75 : x
  2. Step 2: Convert to fraction form
    507.38/1,086.75 = 1,086.75/x
  3. Step 3: Cross multiply
    507.38x = 1,086.75 × 1,086.75
  4. Step 4: Simplify right side
    507.38x = 1,181,025.56
  5. Step 5: Solve for x
    x = 1,181,025.56/507.38
  6. Step 6: Final answer
    x = 2,327.72

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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.