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Finding the Third Proportional to 66,519 and 93,555

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Solution

The third proportional to 66,519 and 93,555 is: 131,579.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,519 : 93,555 = 93,555 : x
  2. Step 2: Convert to fraction form
    66,519/93,555 = 93,555/x
  3. Step 3: Cross multiply
    66,519x = 93,555 × 93,555
  4. Step 4: Simplify right side
    66,519x = 8,752,538,025
  5. Step 5: Solve for x
    x = 8,752,538,025/66,519
  6. Step 6: Final answer
    x = 131,579.52

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.