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Finding the Third Proportional to 605.81 and 1,125.56

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Solution

The third proportional to 605.81 and 1,125.56 is: 2,091.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    605.81 : 1,125.56 = 1,125.56 : x
  2. Step 2: Convert to fraction form
    605.81/1,125.56 = 1,125.56/x
  3. Step 3: Cross multiply
    605.81x = 1,125.56 × 1,125.56
  4. Step 4: Simplify right side
    605.81x = 1,266,890.94
  5. Step 5: Solve for x
    x = 1,266,890.94/605.81
  6. Step 6: Final answer
    x = 2,091.23

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Why These Related Problems?

These problems maintain the same ratio (1.86) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.