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Finding the Third Proportional to 66,992.06 and 90,927.56

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Solution

The third proportional to 66,992.06 and 90,927.56 is: 123,414.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,992.06 : 90,927.56 = 90,927.56 : x
  2. Step 2: Convert to fraction form
    66,992.06/90,927.56 = 90,927.56/x
  3. Step 3: Cross multiply
    66,992.06x = 90,927.56 × 90,927.56
  4. Step 4: Simplify right side
    66,992.06x = 8,267,821,622.19
  5. Step 5: Solve for x
    x = 8,267,821,622.19/66,992.06
  6. Step 6: Final answer
    x = 123,414.94

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.