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Finding the Third Proportional to 301.08 and 616.92

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Solution

The third proportional to 301.08 and 616.92 is: 1,264.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    301.08 : 616.92 = 616.92 : x
  2. Step 2: Convert to fraction form
    301.08/616.92 = 616.92/x
  3. Step 3: Cross multiply
    301.08x = 616.92 × 616.92
  4. Step 4: Simplify right side
    301.08x = 380,592.60
  5. Step 5: Solve for x
    x = 380,592.60/301.08
  6. Step 6: Final answer
    x = 1,264.10

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.