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Finding the Third Proportional to 639,592 and 1,366,592

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Solution

The third proportional to 639,592 and 1,366,592 is: 2,919,945.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,592 : 1,366,592 = 1,366,592 : x
  2. Step 2: Convert to fraction form
    639,592/1,366,592 = 1,366,592/x
  3. Step 3: Cross multiply
    639,592x = 1,366,592 × 1,366,592
  4. Step 4: Simplify right side
    639,592x = 1,867,573,694,464
  5. Step 5: Solve for x
    x = 1,867,573,694,464/639,592
  6. Step 6: Final answer
    x = 2,919,945.36

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.