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Finding the Third Proportional to 366,979 and 548,760

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Solution

The third proportional to 366,979 and 548,760 is: 820,585.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,979 : 548,760 = 548,760 : x
  2. Step 2: Convert to fraction form
    366,979/548,760 = 548,760/x
  3. Step 3: Cross multiply
    366,979x = 548,760 × 548,760
  4. Step 4: Simplify right side
    366,979x = 301,137,537,600
  5. Step 5: Solve for x
    x = 301,137,537,600/366,979
  6. Step 6: Final answer
    x = 820,585.20

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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.