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Finding the Third Proportional to 636,392 and 1,372,363

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Solution

The third proportional to 636,392 and 1,372,363 is: 2,959,465.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,392 : 1,372,363 = 1,372,363 : x
  2. Step 2: Convert to fraction form
    636,392/1,372,363 = 1,372,363/x
  3. Step 3: Cross multiply
    636,392x = 1,372,363 × 1,372,363
  4. Step 4: Simplify right side
    636,392x = 1,883,380,203,769
  5. Step 5: Solve for x
    x = 1,883,380,203,769/636,392
  6. Step 6: Final answer
    x = 2,959,465.56

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.