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Finding the Third Proportional to 329,297,238 and 715,987,917

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Solution

The third proportional to 329,297,238 and 715,987,917 is: 1,556,765,858.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,297,238 : 715,987,917 = 715,987,917 : x
  2. Step 2: Convert to fraction form
    329,297,238/715,987,917 = 715,987,917/x
  3. Step 3: Cross multiply
    329,297,238x = 715,987,917 × 715,987,917
  4. Step 4: Simplify right side
    329,297,238x = 512,638,697,289,998,912
  5. Step 5: Solve for x
    x = 512,638,697,289,998,912/329,297,238
  6. Step 6: Final answer
    x = 1,556,765,858.12

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.