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Finding the Third Proportional to 15,129 and 33,265.13

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Solution

The third proportional to 15,129 and 33,265.13 is: 73,142.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,129 : 33,265.13 = 33,265.13 : x
  2. Step 2: Convert to fraction form
    15,129/33,265.13 = 33,265.13/x
  3. Step 3: Cross multiply
    15,129x = 33,265.13 × 33,265.13
  4. Step 4: Simplify right side
    15,129x = 1,106,568,541.27
  5. Step 5: Solve for x
    x = 1,106,568,541.27/15,129
  6. Step 6: Final answer
    x = 73,142.21

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.