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Finding the Third Proportional to 11,850 and 19,089

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Solution

The third proportional to 11,850 and 19,089 is: 30,750.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,850 : 19,089 = 19,089 : x
  2. Step 2: Convert to fraction form
    11,850/19,089 = 19,089/x
  3. Step 3: Cross multiply
    11,850x = 19,089 × 19,089
  4. Step 4: Simplify right side
    11,850x = 364,389,921
  5. Step 5: Solve for x
    x = 364,389,921/11,850
  6. Step 6: Final answer
    x = 30,750.20

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Why These Related Problems?

These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.