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Finding the Third Proportional to 7,858.50 and 17,175

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Solution

The third proportional to 7,858.50 and 17,175 is: 37,536.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,858.50 : 17,175 = 17,175 : x
  2. Step 2: Convert to fraction form
    7,858.50/17,175 = 17,175/x
  3. Step 3: Cross multiply
    7,858.50x = 17,175 × 17,175
  4. Step 4: Simplify right side
    7,858.50x = 294,980,625
  5. Step 5: Solve for x
    x = 294,980,625/7,858.50
  6. Step 6: Final answer
    x = 37,536.51

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.