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Finding the Third Proportional to 19,234 and 28,121

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Solution

The third proportional to 19,234 and 28,121 is: 41,114.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,234 : 28,121 = 28,121 : x
  2. Step 2: Convert to fraction form
    19,234/28,121 = 28,121/x
  3. Step 3: Cross multiply
    19,234x = 28,121 × 28,121
  4. Step 4: Simplify right side
    19,234x = 790,790,641
  5. Step 5: Solve for x
    x = 790,790,641/19,234
  6. Step 6: Final answer
    x = 41,114.21

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.