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Finding the Third Proportional to 19,214 and 28,699

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Solution

The third proportional to 19,214 and 28,699 is: 42,866.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,214 : 28,699 = 28,699 : x
  2. Step 2: Convert to fraction form
    19,214/28,699 = 28,699/x
  3. Step 3: Cross multiply
    19,214x = 28,699 × 28,699
  4. Step 4: Simplify right side
    19,214x = 823,632,601
  5. Step 5: Solve for x
    x = 823,632,601/19,214
  6. Step 6: Final answer
    x = 42,866.27

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.