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Finding the Third Proportional to 15,517,280 and 33,720,512

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Solution

The third proportional to 15,517,280 and 33,720,512 is: 73,277,850.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,517,280 : 33,720,512 = 33,720,512 : x
  2. Step 2: Convert to fraction form
    15,517,280/33,720,512 = 33,720,512/x
  3. Step 3: Cross multiply
    15,517,280x = 33,720,512 × 33,720,512
  4. Step 4: Simplify right side
    15,517,280x = 1,137,072,929,542,144
  5. Step 5: Solve for x
    x = 1,137,072,929,542,144/15,517,280
  6. Step 6: Final answer
    x = 73,277,850.86

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.