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Finding the Third Proportional to 636,384 and 1,372,352

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Solution

The third proportional to 636,384 and 1,372,352 is: 2,959,455.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,384 : 1,372,352 = 1,372,352 : x
  2. Step 2: Convert to fraction form
    636,384/1,372,352 = 1,372,352/x
  3. Step 3: Cross multiply
    636,384x = 1,372,352 × 1,372,352
  4. Step 4: Simplify right side
    636,384x = 1,883,350,011,904
  5. Step 5: Solve for x
    x = 1,883,350,011,904/636,384
  6. Step 6: Final answer
    x = 2,959,455.32

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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.