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Finding the Third Proportional to 618.19 and 1,333.69

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Solution

The third proportional to 618.19 and 1,333.69 is: 2,877.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    618.19 : 1,333.69 = 1,333.69 : x
  2. Step 2: Convert to fraction form
    618.19/1,333.69 = 1,333.69/x
  3. Step 3: Cross multiply
    618.19x = 1,333.69 × 1,333.69
  4. Step 4: Simplify right side
    618.19x = 1,778,722.35
  5. Step 5: Solve for x
    x = 1,778,722.35/618.19
  6. Step 6: Final answer
    x = 2,877.32

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These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.