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Finding the Third Proportional to 50,872 and 77,826

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Solution

The third proportional to 50,872 and 77,826 is: 119,061.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,872 : 77,826 = 77,826 : x
  2. Step 2: Convert to fraction form
    50,872/77,826 = 77,826/x
  3. Step 3: Cross multiply
    50,872x = 77,826 × 77,826
  4. Step 4: Simplify right side
    50,872x = 6,056,886,276
  5. Step 5: Solve for x
    x = 6,056,886,276/50,872
  6. Step 6: Final answer
    x = 119,061.30

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.