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Finding the Third Proportional to 395,850,248 and 818,854,288

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Solution

The third proportional to 395,850,248 and 818,854,288 is: 1,693,878,804.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,850,248 : 818,854,288 = 818,854,288 : x
  2. Step 2: Convert to fraction form
    395,850,248/818,854,288 = 818,854,288/x
  3. Step 3: Cross multiply
    395,850,248x = 818,854,288 × 818,854,288
  4. Step 4: Simplify right side
    395,850,248x = 670,522,344,975,986,944
  5. Step 5: Solve for x
    x = 670,522,344,975,986,944/395,850,248
  6. Step 6: Final answer
    x = 1,693,878,804.84

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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.