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Finding the Third Proportional to 368,404 and 550,330

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Solution

The third proportional to 368,404 and 550,330 is: 822,095.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,404 : 550,330 = 550,330 : x
  2. Step 2: Convert to fraction form
    368,404/550,330 = 550,330/x
  3. Step 3: Cross multiply
    368,404x = 550,330 × 550,330
  4. Step 4: Simplify right side
    368,404x = 302,863,108,900
  5. Step 5: Solve for x
    x = 302,863,108,900/368,404
  6. Step 6: Final answer
    x = 822,095.06

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.