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Finding the Third Proportional to 19,001 and 28,513

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Solution

The third proportional to 19,001 and 28,513 is: 42,786.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,001 : 28,513 = 28,513 : x
  2. Step 2: Convert to fraction form
    19,001/28,513 = 28,513/x
  3. Step 3: Cross multiply
    19,001x = 28,513 × 28,513
  4. Step 4: Simplify right side
    19,001x = 812,991,169
  5. Step 5: Solve for x
    x = 812,991,169/19,001
  6. Step 6: Final answer
    x = 42,786.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.