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Finding the Third Proportional to 366,986 and 548,771

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Solution

The third proportional to 366,986 and 548,771 is: 820,602.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,986 : 548,771 = 548,771 : x
  2. Step 2: Convert to fraction form
    366,986/548,771 = 548,771/x
  3. Step 3: Cross multiply
    366,986x = 548,771 × 548,771
  4. Step 4: Simplify right side
    366,986x = 301,149,610,441
  5. Step 5: Solve for x
    x = 301,149,610,441/366,986
  6. Step 6: Final answer
    x = 820,602.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.