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Finding the Third Proportional to 331,310,700 and 720,798,508

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Solution

The third proportional to 331,310,700 and 720,798,508 is: 1,568,166,947.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,310,700 : 720,798,508 = 720,798,508 : x
  2. Step 2: Convert to fraction form
    331,310,700/720,798,508 = 720,798,508/x
  3. Step 3: Cross multiply
    331,310,700x = 720,798,508 × 720,798,508
  4. Step 4: Simplify right side
    331,310,700x = 519,550,489,135,026,048
  5. Step 5: Solve for x
    x = 519,550,489,135,026,048/331,310,700
  6. Step 6: Final answer
    x = 1,568,166,947.63

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.