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Finding the Third Proportional to 30,631 and 44,731

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Solution

The third proportional to 30,631 and 44,731 is: 65,321.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,631 : 44,731 = 44,731 : x
  2. Step 2: Convert to fraction form
    30,631/44,731 = 44,731/x
  3. Step 3: Cross multiply
    30,631x = 44,731 × 44,731
  4. Step 4: Simplify right side
    30,631x = 2,000,862,361
  5. Step 5: Solve for x
    x = 2,000,862,361/30,631
  6. Step 6: Final answer
    x = 65,321.48

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.