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Finding the Third Proportional to 15,411.52 and 33,161.91

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Solution

The third proportional to 15,411.52 and 33,161.91 is: 71,356.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,411.52 : 33,161.91 = 33,161.91 : x
  2. Step 2: Convert to fraction form
    15,411.52/33,161.91 = 33,161.91/x
  3. Step 3: Cross multiply
    15,411.52x = 33,161.91 × 33,161.91
  4. Step 4: Simplify right side
    15,411.52x = 1,099,712,026.13
  5. Step 5: Solve for x
    x = 1,099,712,026.13/15,411.52
  6. Step 6: Final answer
    x = 71,356.51

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.