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Finding the Third Proportional to 85,262,990 and 131,968,893

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Solution

The third proportional to 85,262,990 and 131,968,893 is: 204,259,652.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,262,990 : 131,968,893 = 131,968,893 : x
  2. Step 2: Convert to fraction form
    85,262,990/131,968,893 = 131,968,893/x
  3. Step 3: Cross multiply
    85,262,990x = 131,968,893 × 131,968,893
  4. Step 4: Simplify right side
    85,262,990x = 17,415,788,719,645,448
  5. Step 5: Solve for x
    x = 17,415,788,719,645,448/85,262,990
  6. Step 6: Final answer
    x = 204,259,652.63

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.