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Finding the Third Proportional to 59,642.75 and 128,626.75

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Solution

The third proportional to 59,642.75 and 128,626.75 is: 277,399.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,642.75 : 128,626.75 = 128,626.75 : x
  2. Step 2: Convert to fraction form
    59,642.75/128,626.75 = 128,626.75/x
  3. Step 3: Cross multiply
    59,642.75x = 128,626.75 × 128,626.75
  4. Step 4: Simplify right side
    59,642.75x = 16,544,840,815.56
  5. Step 5: Solve for x
    x = 16,544,840,815.56/59,642.75
  6. Step 6: Final answer
    x = 277,399.03

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.