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Finding the Third Proportional to 19,089 and 28,863

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Solution

The third proportional to 19,089 and 28,863 is: 43,641.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,089 : 28,863 = 28,863 : x
  2. Step 2: Convert to fraction form
    19,089/28,863 = 28,863/x
  3. Step 3: Cross multiply
    19,089x = 28,863 × 28,863
  4. Step 4: Simplify right side
    19,089x = 833,072,769
  5. Step 5: Solve for x
    x = 833,072,769/19,089
  6. Step 6: Final answer
    x = 43,641.51

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.