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Finding the Third Proportional to 19,170 and 28,110.38

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Solution

The third proportional to 19,170 and 28,110.38 is: 41,220.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,170 : 28,110.38 = 28,110.38 : x
  2. Step 2: Convert to fraction form
    19,170/28,110.38 = 28,110.38/x
  3. Step 3: Cross multiply
    19,170x = 28,110.38 × 28,110.38
  4. Step 4: Simplify right side
    19,170x = 790,193,182.64
  5. Step 5: Solve for x
    x = 790,193,182.64/19,170
  6. Step 6: Final answer
    x = 41,220.30

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.