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Finding the Third Proportional to 179,797.50 and 387,616.50

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Solution

The third proportional to 179,797.50 and 387,616.50 is: 835,643.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,797.50 : 387,616.50 = 387,616.50 : x
  2. Step 2: Convert to fraction form
    179,797.50/387,616.50 = 387,616.50/x
  3. Step 3: Cross multiply
    179,797.50x = 387,616.50 × 387,616.50
  4. Step 4: Simplify right side
    179,797.50x = 150,246,551,072.25
  5. Step 5: Solve for x
    x = 150,246,551,072.25/179,797.50
  6. Step 6: Final answer
    x = 835,643.16

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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.