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Finding the Third Proportional to 395,850,374 and 818,854,540

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Solution

The third proportional to 395,850,374 and 818,854,540 is: 1,693,879,308.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,850,374 : 818,854,540 = 818,854,540 : x
  2. Step 2: Convert to fraction form
    395,850,374/818,854,540 = 818,854,540/x
  3. Step 3: Cross multiply
    395,850,374x = 818,854,540 × 818,854,540
  4. Step 4: Simplify right side
    395,850,374x = 670,522,757,678,611,584
  5. Step 5: Solve for x
    x = 670,522,757,678,611,584/395,850,374
  6. Step 6: Final answer
    x = 1,693,879,308.24

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.