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Finding the Third Proportional to 50,976 and 78,737

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Solution

The third proportional to 50,976 and 78,737 is: 121,616.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,976 : 78,737 = 78,737 : x
  2. Step 2: Convert to fraction form
    50,976/78,737 = 78,737/x
  3. Step 3: Cross multiply
    50,976x = 78,737 × 78,737
  4. Step 4: Simplify right side
    50,976x = 6,199,515,169
  5. Step 5: Solve for x
    x = 6,199,515,169/50,976
  6. Step 6: Final answer
    x = 121,616.35

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.