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Finding the Third Proportional to 45,413 and 68,134

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Solution

The third proportional to 45,413 and 68,134 is: 102,222.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,413 : 68,134 = 68,134 : x
  2. Step 2: Convert to fraction form
    45,413/68,134 = 68,134/x
  3. Step 3: Cross multiply
    45,413x = 68,134 × 68,134
  4. Step 4: Simplify right side
    45,413x = 4,642,241,956
  5. Step 5: Solve for x
    x = 4,642,241,956/45,413
  6. Step 6: Final answer
    x = 102,222.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.