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Finding the Third Proportional to 4,090.50 and 6,118.50

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Solution

The third proportional to 4,090.50 and 6,118.50 is: 9,151.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,090.50 : 6,118.50 = 6,118.50 : x
  2. Step 2: Convert to fraction form
    4,090.50/6,118.50 = 6,118.50/x
  3. Step 3: Cross multiply
    4,090.50x = 6,118.50 × 6,118.50
  4. Step 4: Simplify right side
    4,090.50x = 37,436,042.25
  5. Step 5: Solve for x
    x = 37,436,042.25/4,090.50
  6. Step 6: Final answer
    x = 9,151.95

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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.