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Finding the Third Proportional to 636,314 and 1,372,274

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Solution

The third proportional to 636,314 and 1,372,274 is: 2,959,444.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,314 : 1,372,274 = 1,372,274 : x
  2. Step 2: Convert to fraction form
    636,314/1,372,274 = 1,372,274/x
  3. Step 3: Cross multiply
    636,314x = 1,372,274 × 1,372,274
  4. Step 4: Simplify right side
    636,314x = 1,883,135,931,076
  5. Step 5: Solve for x
    x = 1,883,135,931,076/636,314
  6. Step 6: Final answer
    x = 2,959,444.44

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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.