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Finding the Third Proportional to 50,139 and 66,834

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Solution

The third proportional to 50,139 and 66,834 is: 89,088.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,139 : 66,834 = 66,834 : x
  2. Step 2: Convert to fraction form
    50,139/66,834 = 66,834/x
  3. Step 3: Cross multiply
    50,139x = 66,834 × 66,834
  4. Step 4: Simplify right side
    50,139x = 4,466,783,556
  5. Step 5: Solve for x
    x = 4,466,783,556/50,139
  6. Step 6: Final answer
    x = 89,088.01

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Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.