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Finding the Third Proportional to 184,721 and 401,791

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Solution

The third proportional to 184,721 and 401,791 is: 873,945.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,721 : 401,791 = 401,791 : x
  2. Step 2: Convert to fraction form
    184,721/401,791 = 401,791/x
  3. Step 3: Cross multiply
    184,721x = 401,791 × 401,791
  4. Step 4: Simplify right side
    184,721x = 161,436,007,681
  5. Step 5: Solve for x
    x = 161,436,007,681/184,721
  6. Step 6: Final answer
    x = 873,945.07

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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.