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Finding the Third Proportional to 68,764 and 92,778

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Solution

The third proportional to 68,764 and 92,778 is: 125,178.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,764 : 92,778 = 92,778 : x
  2. Step 2: Convert to fraction form
    68,764/92,778 = 92,778/x
  3. Step 3: Cross multiply
    68,764x = 92,778 × 92,778
  4. Step 4: Simplify right side
    68,764x = 8,607,757,284
  5. Step 5: Solve for x
    x = 8,607,757,284/68,764
  6. Step 6: Final answer
    x = 125,178.25

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Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.