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Finding the Third Proportional to 12,505.75 and 19,175

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Solution

The third proportional to 12,505.75 and 19,175 is: 29,400.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,505.75 : 19,175 = 19,175 : x
  2. Step 2: Convert to fraction form
    12,505.75/19,175 = 19,175/x
  3. Step 3: Cross multiply
    12,505.75x = 19,175 × 19,175
  4. Step 4: Simplify right side
    12,505.75x = 367,680,625
  5. Step 5: Solve for x
    x = 367,680,625/12,505.75
  6. Step 6: Final answer
    x = 29,400.93

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.