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Finding the Third Proportional to 18,277,668 and 40,142,016

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Solution

The third proportional to 18,277,668 and 40,142,016 is: 88,161,216.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,277,668 : 40,142,016 = 40,142,016 : x
  2. Step 2: Convert to fraction form
    18,277,668/40,142,016 = 40,142,016/x
  3. Step 3: Cross multiply
    18,277,668x = 40,142,016 × 40,142,016
  4. Step 4: Simplify right side
    18,277,668x = 1,611,381,448,544,256
  5. Step 5: Solve for x
    x = 1,611,381,448,544,256/18,277,668
  6. Step 6: Final answer
    x = 88,161,216.66

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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.