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Finding the Third Proportional to 263,302 and 578,087

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Solution

The third proportional to 263,302 and 578,087 is: 1,269,206.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,302 : 578,087 = 578,087 : x
  2. Step 2: Convert to fraction form
    263,302/578,087 = 578,087/x
  3. Step 3: Cross multiply
    263,302x = 578,087 × 578,087
  4. Step 4: Simplify right side
    263,302x = 334,184,579,569
  5. Step 5: Solve for x
    x = 334,184,579,569/263,302
  6. Step 6: Final answer
    x = 1,269,206.38

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.