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Finding the Third Proportional to 944.79 and 1,418.13

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Solution

The third proportional to 944.79 and 1,418.13 is: 2,128.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    944.79 : 1,418.13 = 1,418.13 : x
  2. Step 2: Convert to fraction form
    944.79/1,418.13 = 1,418.13/x
  3. Step 3: Cross multiply
    944.79x = 1,418.13 × 1,418.13
  4. Step 4: Simplify right side
    944.79x = 2,011,100.67
  5. Step 5: Solve for x
    x = 2,011,100.67/944.79
  6. Step 6: Final answer
    x = 2,128.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.