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Finding the Third Proportional to 192,322.50 and 418,509.75

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Solution

The third proportional to 192,322.50 and 418,509.75 is: 910,712.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,322.50 : 418,509.75 = 418,509.75 : x
  2. Step 2: Convert to fraction form
    192,322.50/418,509.75 = 418,509.75/x
  3. Step 3: Cross multiply
    192,322.50x = 418,509.75 × 418,509.75
  4. Step 4: Simplify right side
    192,322.50x = 175,150,410,845.06
  5. Step 5: Solve for x
    x = 175,150,410,845.06/192,322.50
  6. Step 6: Final answer
    x = 910,712.01

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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.