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Finding the Third Proportional to 60,881 and 91,073

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Solution

The third proportional to 60,881 and 91,073 is: 136,237.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,881 : 91,073 = 91,073 : x
  2. Step 2: Convert to fraction form
    60,881/91,073 = 91,073/x
  3. Step 3: Cross multiply
    60,881x = 91,073 × 91,073
  4. Step 4: Simplify right side
    60,881x = 8,294,291,329
  5. Step 5: Solve for x
    x = 8,294,291,329/60,881
  6. Step 6: Final answer
    x = 136,237.76

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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.