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Finding the Third Proportional to 190,908 and 291,384

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Solution

The third proportional to 190,908 and 291,384 is: 444,741.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,908 : 291,384 = 291,384 : x
  2. Step 2: Convert to fraction form
    190,908/291,384 = 291,384/x
  3. Step 3: Cross multiply
    190,908x = 291,384 × 291,384
  4. Step 4: Simplify right side
    190,908x = 84,904,635,456
  5. Step 5: Solve for x
    x = 84,904,635,456/190,908
  6. Step 6: Final answer
    x = 444,741.11

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.