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Finding the Third Proportional to 291,791 and 633,384

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Solution

The third proportional to 291,791 and 633,384 is: 1,374,872.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,791 : 633,384 = 633,384 : x
  2. Step 2: Convert to fraction form
    291,791/633,384 = 633,384/x
  3. Step 3: Cross multiply
    291,791x = 633,384 × 633,384
  4. Step 4: Simplify right side
    291,791x = 401,175,291,456
  5. Step 5: Solve for x
    x = 401,175,291,456/291,791
  6. Step 6: Final answer
    x = 1,374,872.05

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.