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Finding the Third Proportional to 15,781,578 and 33,960,105

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Solution

The third proportional to 15,781,578 and 33,960,105 is: 73,078,163.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,781,578 : 33,960,105 = 33,960,105 : x
  2. Step 2: Convert to fraction form
    15,781,578/33,960,105 = 33,960,105/x
  3. Step 3: Cross multiply
    15,781,578x = 33,960,105 × 33,960,105
  4. Step 4: Simplify right side
    15,781,578x = 1,153,288,731,611,025
  5. Step 5: Solve for x
    x = 1,153,288,731,611,025/15,781,578
  6. Step 6: Final answer
    x = 73,078,163.13

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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.