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Finding the Third Proportional to 945.84 and 1,581.19

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Solution

The third proportional to 945.84 and 1,581.19 is: 2,643.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    945.84 : 1,581.19 = 1,581.19 : x
  2. Step 2: Convert to fraction form
    945.84/1,581.19 = 1,581.19/x
  3. Step 3: Cross multiply
    945.84x = 1,581.19 × 1,581.19
  4. Step 4: Simplify right side
    945.84x = 2,500,153.91
  5. Step 5: Solve for x
    x = 2,500,153.91/945.84
  6. Step 6: Final answer
    x = 2,643.31

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Why These Related Problems?

These problems maintain the same ratio (1.67) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.