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Finding the Third Proportional to 66,968 and 91,826

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Solution

The third proportional to 66,968 and 91,826 is: 125,911.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,968 : 91,826 = 91,826 : x
  2. Step 2: Convert to fraction form
    66,968/91,826 = 91,826/x
  3. Step 3: Cross multiply
    66,968x = 91,826 × 91,826
  4. Step 4: Simplify right side
    66,968x = 8,432,014,276
  5. Step 5: Solve for x
    x = 8,432,014,276/66,968
  6. Step 6: Final answer
    x = 125,911.10

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.