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Finding the Third Proportional to 545.25 and 1,119.19

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Solution

The third proportional to 545.25 and 1,119.19 is: 2,297.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    545.25 : 1,119.19 = 1,119.19 : x
  2. Step 2: Convert to fraction form
    545.25/1,119.19 = 1,119.19/x
  3. Step 3: Cross multiply
    545.25x = 1,119.19 × 1,119.19
  4. Step 4: Simplify right side
    545.25x = 1,252,580.66
  5. Step 5: Solve for x
    x = 1,252,580.66/545.25
  6. Step 6: Final answer
    x = 2,297.26

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.