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Finding the Third Proportional to 266,682,879 and 400,734,369

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Solution

The third proportional to 266,682,879 and 400,734,369 is: 602,168,519.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,682,879 : 400,734,369 = 400,734,369 : x
  2. Step 2: Convert to fraction form
    266,682,879/400,734,369 = 400,734,369/x
  3. Step 3: Cross multiply
    266,682,879x = 400,734,369 × 400,734,369
  4. Step 4: Simplify right side
    266,682,879x = 160,588,034,497,828,160
  5. Step 5: Solve for x
    x = 160,588,034,497,828,160/266,682,879
  6. Step 6: Final answer
    x = 602,168,519.78

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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.