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Finding the Third Proportional to 40,529 and 60,631

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Solution

The third proportional to 40,529 and 60,631 is: 90,703.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,529 : 60,631 = 60,631 : x
  2. Step 2: Convert to fraction form
    40,529/60,631 = 60,631/x
  3. Step 3: Cross multiply
    40,529x = 60,631 × 60,631
  4. Step 4: Simplify right side
    40,529x = 3,676,118,161
  5. Step 5: Solve for x
    x = 3,676,118,161/40,529
  6. Step 6: Final answer
    x = 90,703.40

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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.