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Finding the Third Proportional to 622.41 and 963.84

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Solution

The third proportional to 622.41 and 963.84 is: 1,492.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    622.41 : 963.84 = 963.84 : x
  2. Step 2: Convert to fraction form
    622.41/963.84 = 963.84/x
  3. Step 3: Cross multiply
    622.41x = 963.84 × 963.84
  4. Step 4: Simplify right side
    622.41x = 928,994.77
  5. Step 5: Solve for x
    x = 928,994.77/622.41
  6. Step 6: Final answer
    x = 1,492.59

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.