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Finding the Third Proportional to 136,550.81 and 298,115.44

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Solution

The third proportional to 136,550.81 and 298,115.44 is: 650,840.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,550.81 : 298,115.44 = 298,115.44 : x
  2. Step 2: Convert to fraction form
    136,550.81/298,115.44 = 298,115.44/x
  3. Step 3: Cross multiply
    136,550.81x = 298,115.44 × 298,115.44
  4. Step 4: Simplify right side
    136,550.81x = 88,872,814,075.82
  5. Step 5: Solve for x
    x = 88,872,814,075.82/136,550.81
  6. Step 6: Final answer
    x = 650,840.61

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.