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Finding the Third Proportional to 101,787.75 and 140,649.75

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Solution

The third proportional to 101,787.75 and 140,649.75 is: 194,349.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,787.75 : 140,649.75 = 140,649.75 : x
  2. Step 2: Convert to fraction form
    101,787.75/140,649.75 = 140,649.75/x
  3. Step 3: Cross multiply
    101,787.75x = 140,649.75 × 140,649.75
  4. Step 4: Simplify right side
    101,787.75x = 19,782,352,175.06
  5. Step 5: Solve for x
    x = 19,782,352,175.06/101,787.75
  6. Step 6: Final answer
    x = 194,349.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.