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Finding the Third Proportional to 14,239.13 and 17,313.75

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Solution

The third proportional to 14,239.13 and 17,313.75 is: 21,052.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,239.13 : 17,313.75 = 17,313.75 : x
  2. Step 2: Convert to fraction form
    14,239.13/17,313.75 = 17,313.75/x
  3. Step 3: Cross multiply
    14,239.13x = 17,313.75 × 17,313.75
  4. Step 4: Simplify right side
    14,239.13x = 299,765,939.06
  5. Step 5: Solve for x
    x = 299,765,939.06/14,239.13
  6. Step 6: Final answer
    x = 21,052.27

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Why These Related Problems?

These problems maintain the same ratio (1.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.