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Finding the Third Proportional to 92,176 and 197,408

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Solution

The third proportional to 92,176 and 197,408 is: 422,777.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,176 : 197,408 = 197,408 : x
  2. Step 2: Convert to fraction form
    92,176/197,408 = 197,408/x
  3. Step 3: Cross multiply
    92,176x = 197,408 × 197,408
  4. Step 4: Simplify right side
    92,176x = 38,969,918,464
  5. Step 5: Solve for x
    x = 38,969,918,464/92,176
  6. Step 6: Final answer
    x = 422,777.28

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.