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Finding the Third Proportional to 35,657.50 and 53,375

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Solution

The third proportional to 35,657.50 and 53,375 is: 79,895.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,657.50 : 53,375 = 53,375 : x
  2. Step 2: Convert to fraction form
    35,657.50/53,375 = 53,375/x
  3. Step 3: Cross multiply
    35,657.50x = 53,375 × 53,375
  4. Step 4: Simplify right side
    35,657.50x = 2,848,890,625
  5. Step 5: Solve for x
    x = 2,848,890,625/35,657.50
  6. Step 6: Final answer
    x = 79,895.97

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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.