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Finding the Third Proportional to 2,918.06 and 4,366.78

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Solution

The third proportional to 2,918.06 and 4,366.78 is: 6,534.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,918.06 : 4,366.78 = 4,366.78 : x
  2. Step 2: Convert to fraction form
    2,918.06/4,366.78 = 4,366.78/x
  3. Step 3: Cross multiply
    2,918.06x = 4,366.78 × 4,366.78
  4. Step 4: Simplify right side
    2,918.06x = 19,068,778.49
  5. Step 5: Solve for x
    x = 19,068,778.49/2,918.06
  6. Step 6: Final answer
    x = 6,534.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.