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Finding the Third Proportional to 616.04 and 1,140.96

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Solution

The third proportional to 616.04 and 1,140.96 is: 2,113.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    616.04 : 1,140.96 = 1,140.96 : x
  2. Step 2: Convert to fraction form
    616.04/1,140.96 = 1,140.96/x
  3. Step 3: Cross multiply
    616.04x = 1,140.96 × 1,140.96
  4. Step 4: Simplify right side
    616.04x = 1,301,791.86
  5. Step 5: Solve for x
    x = 1,301,791.86/616.04
  6. Step 6: Final answer
    x = 2,113.15

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Why These Related Problems?

These problems maintain the same ratio (1.85) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.