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Finding the Third Proportional to 291,794 and 634,714

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Solution

The third proportional to 291,794 and 634,714 is: 1,380,637.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,794 : 634,714 = 634,714 : x
  2. Step 2: Convert to fraction form
    291,794/634,714 = 634,714/x
  3. Step 3: Cross multiply
    291,794x = 634,714 × 634,714
  4. Step 4: Simplify right side
    291,794x = 402,861,861,796
  5. Step 5: Solve for x
    x = 402,861,861,796/291,794
  6. Step 6: Final answer
    x = 1,380,637.92

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.