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Finding the Third Proportional to 50,670 and 76,031

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Solution

The third proportional to 50,670 and 76,031 is: 114,085.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,670 : 76,031 = 76,031 : x
  2. Step 2: Convert to fraction form
    50,670/76,031 = 76,031/x
  3. Step 3: Cross multiply
    50,670x = 76,031 × 76,031
  4. Step 4: Simplify right side
    50,670x = 5,780,712,961
  5. Step 5: Solve for x
    x = 5,780,712,961/50,670
  6. Step 6: Final answer
    x = 114,085.51

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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.