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Finding the Third Proportional to 15,661,836 and 33,722,937.56

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Solution

The third proportional to 15,661,836 and 33,722,937.56 is: 72,611,954.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,661,836 : 33,722,937.56 = 33,722,937.56 : x
  2. Step 2: Convert to fraction form
    15,661,836/33,722,937.56 = 33,722,937.56/x
  3. Step 3: Cross multiply
    15,661,836x = 33,722,937.56 × 33,722,937.56
  4. Step 4: Simplify right side
    15,661,836x = 1,137,236,517,844,273.50
  5. Step 5: Solve for x
    x = 1,137,236,517,844,273.50/15,661,836
  6. Step 6: Final answer
    x = 72,611,954.17

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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.