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Finding the Third Proportional to 102,231.75 and 155,187.28

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Solution

The third proportional to 102,231.75 and 155,187.28 is: 235,573.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,231.75 : 155,187.28 = 155,187.28 : x
  2. Step 2: Convert to fraction form
    102,231.75/155,187.28 = 155,187.28/x
  3. Step 3: Cross multiply
    102,231.75x = 155,187.28 × 155,187.28
  4. Step 4: Simplify right side
    102,231.75x = 24,083,092,261.77
  5. Step 5: Solve for x
    x = 24,083,092,261.77/102,231.75
  6. Step 6: Final answer
    x = 235,573.51

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.