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Finding the Third Proportional to 636,830.44 and 1,391,758.88

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Solution

The third proportional to 636,830.44 and 1,391,758.88 is: 3,041,614.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,830.44 : 1,391,758.88 = 1,391,758.88 : x
  2. Step 2: Convert to fraction form
    636,830.44/1,391,758.88 = 1,391,758.88/x
  3. Step 3: Cross multiply
    636,830.44x = 1,391,758.88 × 1,391,758.88
  4. Step 4: Simplify right side
    636,830.44x = 1,936,992,766,141.27
  5. Step 5: Solve for x
    x = 1,936,992,766,141.27/636,830.44
  6. Step 6: Final answer
    x = 3,041,614.62

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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.