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Finding the Third Proportional to 75,111.75 and 152,295.75

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Solution

The third proportional to 75,111.75 and 152,295.75 is: 308,793.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,111.75 : 152,295.75 = 152,295.75 : x
  2. Step 2: Convert to fraction form
    75,111.75/152,295.75 = 152,295.75/x
  3. Step 3: Cross multiply
    75,111.75x = 152,295.75 × 152,295.75
  4. Step 4: Simplify right side
    75,111.75x = 23,193,995,468.06
  5. Step 5: Solve for x
    x = 23,193,995,468.06/75,111.75
  6. Step 6: Final answer
    x = 308,793.17

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Why These Related Problems?

These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.