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Finding the Third Proportional to 263,736 and 578,772

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Solution

The third proportional to 263,736 and 578,772 is: 1,270,122.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,736 : 578,772 = 578,772 : x
  2. Step 2: Convert to fraction form
    263,736/578,772 = 578,772/x
  3. Step 3: Cross multiply
    263,736x = 578,772 × 578,772
  4. Step 4: Simplify right side
    263,736x = 334,977,027,984
  5. Step 5: Solve for x
    x = 334,977,027,984/263,736
  6. Step 6: Final answer
    x = 1,270,122.50

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.