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Finding the Third Proportional to 1,119.75 and 1,773.56

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Solution

The third proportional to 1,119.75 and 1,773.56 is: 2,809.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119.75 : 1,773.56 = 1,773.56 : x
  2. Step 2: Convert to fraction form
    1,119.75/1,773.56 = 1,773.56/x
  3. Step 3: Cross multiply
    1,119.75x = 1,773.56 × 1,773.56
  4. Step 4: Simplify right side
    1,119.75x = 3,145,523.94
  5. Step 5: Solve for x
    x = 3,145,523.94/1,119.75
  6. Step 6: Final answer
    x = 2,809.13

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These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.