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Finding the Third Proportional to 207,316,728 and 479,950,930

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Solution

The third proportional to 207,316,728 and 479,950,930 is: 1,111,115,815.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,316,728 : 479,950,930 = 479,950,930 : x
  2. Step 2: Convert to fraction form
    207,316,728/479,950,930 = 479,950,930/x
  3. Step 3: Cross multiply
    207,316,728x = 479,950,930 × 479,950,930
  4. Step 4: Simplify right side
    207,316,728x = 230,352,895,207,864,896
  5. Step 5: Solve for x
    x = 230,352,895,207,864,896/207,316,728
  6. Step 6: Final answer
    x = 1,111,115,815.06

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Why These Related Problems?

These problems maintain the same ratio (2.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.