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Finding the Third Proportional to 10,889.75 and 16,291.75

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Solution

The third proportional to 10,889.75 and 16,291.75 is: 24,373.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,889.75 : 16,291.75 = 16,291.75 : x
  2. Step 2: Convert to fraction form
    10,889.75/16,291.75 = 16,291.75/x
  3. Step 3: Cross multiply
    10,889.75x = 16,291.75 × 16,291.75
  4. Step 4: Simplify right side
    10,889.75x = 265,421,118.06
  5. Step 5: Solve for x
    x = 265,421,118.06/10,889.75
  6. Step 6: Final answer
    x = 24,373.48

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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.