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Finding the Third Proportional to 66,912 and 96,176

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Solution

The third proportional to 66,912 and 96,176 is: 138,238.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,912 : 96,176 = 96,176 : x
  2. Step 2: Convert to fraction form
    66,912/96,176 = 96,176/x
  3. Step 3: Cross multiply
    66,912x = 96,176 × 96,176
  4. Step 4: Simplify right side
    66,912x = 9,249,822,976
  5. Step 5: Solve for x
    x = 9,249,822,976/66,912
  6. Step 6: Final answer
    x = 138,238.63

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Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.