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Finding the Third Proportional to 416,422,328 and 914,553,656

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Solution

The third proportional to 416,422,328 and 914,553,656 is: 2,008,557,979.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,422,328 : 914,553,656 = 914,553,656 : x
  2. Step 2: Convert to fraction form
    416,422,328/914,553,656 = 914,553,656/x
  3. Step 3: Cross multiply
    416,422,328x = 914,553,656 × 914,553,656
  4. Step 4: Simplify right side
    416,422,328x = 836,408,389,702,966,272
  5. Step 5: Solve for x
    x = 836,408,389,702,966,272/416,422,328
  6. Step 6: Final answer
    x = 2,008,557,979.40

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.