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Finding the Third Proportional to 963.84 and 1,392.19

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Solution

The third proportional to 963.84 and 1,392.19 is: 2,010.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    963.84 : 1,392.19 = 1,392.19 : x
  2. Step 2: Convert to fraction form
    963.84/1,392.19 = 1,392.19/x
  3. Step 3: Cross multiply
    963.84x = 1,392.19 × 1,392.19
  4. Step 4: Simplify right side
    963.84x = 1,938,186.04
  5. Step 5: Solve for x
    x = 1,938,186.04/963.84
  6. Step 6: Final answer
    x = 2,010.89

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Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.