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Finding the Third Proportional to 259,622 and 558,022

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Solution

The third proportional to 259,622 and 558,022 is: 1,199,392.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,622 : 558,022 = 558,022 : x
  2. Step 2: Convert to fraction form
    259,622/558,022 = 558,022/x
  3. Step 3: Cross multiply
    259,622x = 558,022 × 558,022
  4. Step 4: Simplify right side
    259,622x = 311,388,552,484
  5. Step 5: Solve for x
    x = 311,388,552,484/259,622
  6. Step 6: Final answer
    x = 1,199,392.01

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.