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Finding the Third Proportional to 630,555 and 1,383,744

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Solution

The third proportional to 630,555 and 1,383,744 is: 3,036,606.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,555 : 1,383,744 = 1,383,744 : x
  2. Step 2: Convert to fraction form
    630,555/1,383,744 = 1,383,744/x
  3. Step 3: Cross multiply
    630,555x = 1,383,744 × 1,383,744
  4. Step 4: Simplify right side
    630,555x = 1,914,747,457,536
  5. Step 5: Solve for x
    x = 1,914,747,457,536/630,555
  6. Step 6: Final answer
    x = 3,036,606.57

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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.