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Finding the Third Proportional to 366,981 and 548,763

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Solution

The third proportional to 366,981 and 548,763 is: 820,589.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,981 : 548,763 = 548,763 : x
  2. Step 2: Convert to fraction form
    366,981/548,763 = 548,763/x
  3. Step 3: Cross multiply
    366,981x = 548,763 × 548,763
  4. Step 4: Simplify right side
    366,981x = 301,140,830,169
  5. Step 5: Solve for x
    x = 301,140,830,169/366,981
  6. Step 6: Final answer
    x = 820,589.70

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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.