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Finding the Third Proportional to 86,882,716 and 171,572,408

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Solution

The third proportional to 86,882,716 and 171,572,408 is: 338,814,122.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,882,716 : 171,572,408 = 171,572,408 : x
  2. Step 2: Convert to fraction form
    86,882,716/171,572,408 = 171,572,408/x
  3. Step 3: Cross multiply
    86,882,716x = 171,572,408 × 171,572,408
  4. Step 4: Simplify right side
    86,882,716x = 29,437,091,186,918,464
  5. Step 5: Solve for x
    x = 29,437,091,186,918,464/86,882,716
  6. Step 6: Final answer
    x = 338,814,122.56

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Why These Related Problems?

These problems maintain the same ratio (1.97) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.