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Finding the Third Proportional to 602.96 and 1,286.93

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Solution

The third proportional to 602.96 and 1,286.93 is: 2,746.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    602.96 : 1,286.93 = 1,286.93 : x
  2. Step 2: Convert to fraction form
    602.96/1,286.93 = 1,286.93/x
  3. Step 3: Cross multiply
    602.96x = 1,286.93 × 1,286.93
  4. Step 4: Simplify right side
    602.96x = 1,656,188.02
  5. Step 5: Solve for x
    x = 1,656,188.02/602.96
  6. Step 6: Final answer
    x = 2,746.74

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.