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Finding the Third Proportional to 3,913.88 and 6,061.22

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Solution

The third proportional to 3,913.88 and 6,061.22 is: 9,386.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,913.88 : 6,061.22 = 6,061.22 : x
  2. Step 2: Convert to fraction form
    3,913.88/6,061.22 = 6,061.22/x
  3. Step 3: Cross multiply
    3,913.88x = 6,061.22 × 6,061.22
  4. Step 4: Simplify right side
    3,913.88x = 36,738,372.74
  5. Step 5: Solve for x
    x = 36,738,372.74/3,913.88
  6. Step 6: Final answer
    x = 9,386.70

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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.