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Finding the Third Proportional to 11,120.63 and 17,319.38

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Solution

The third proportional to 11,120.63 and 17,319.38 is: 26,973.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,120.63 : 17,319.38 = 17,319.38 : x
  2. Step 2: Convert to fraction form
    11,120.63/17,319.38 = 17,319.38/x
  3. Step 3: Cross multiply
    11,120.63x = 17,319.38 × 17,319.38
  4. Step 4: Simplify right side
    11,120.63x = 299,960,750.39
  5. Step 5: Solve for x
    x = 299,960,750.39/11,120.63
  6. Step 6: Final answer
    x = 26,973.37

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.