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Finding the Third Proportional to 75,175.50 and 163,311

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Solution

The third proportional to 75,175.50 and 163,311 is: 354,776.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,175.50 : 163,311 = 163,311 : x
  2. Step 2: Convert to fraction form
    75,175.50/163,311 = 163,311/x
  3. Step 3: Cross multiply
    75,175.50x = 163,311 × 163,311
  4. Step 4: Simplify right side
    75,175.50x = 26,670,482,721
  5. Step 5: Solve for x
    x = 26,670,482,721/75,175.50
  6. Step 6: Final answer
    x = 354,776.26

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.