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Finding the Third Proportional to 366,192 and 554,454

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Solution

The third proportional to 366,192 and 554,454 is: 839,502.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,192 : 554,454 = 554,454 : x
  2. Step 2: Convert to fraction form
    366,192/554,454 = 554,454/x
  3. Step 3: Cross multiply
    366,192x = 554,454 × 554,454
  4. Step 4: Simplify right side
    366,192x = 307,419,238,116
  5. Step 5: Solve for x
    x = 307,419,238,116/366,192
  6. Step 6: Final answer
    x = 839,502.88

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.