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Finding the Third Proportional to 115,411.50 and 173,117.25

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Solution

The third proportional to 115,411.50 and 173,117.25 is: 259,675.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,411.50 : 173,117.25 = 173,117.25 : x
  2. Step 2: Convert to fraction form
    115,411.50/173,117.25 = 173,117.25/x
  3. Step 3: Cross multiply
    115,411.50x = 173,117.25 × 173,117.25
  4. Step 4: Simplify right side
    115,411.50x = 29,969,582,247.56
  5. Step 5: Solve for x
    x = 29,969,582,247.56/115,411.50
  6. Step 6: Final answer
    x = 259,675.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.