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Finding the Third Proportional to 18,397,787,824.50 and 39,935,484,990

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Solution

The third proportional to 18,397,787,824.50 and 39,935,484,990 is: 86,686,669,973.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,397,787,824.50 : 39,935,484,990 = 39,935,484,990 : x
  2. Step 2: Convert to fraction form
    18,397,787,824.50/39,935,484,990 = 39,935,484,990/x
  3. Step 3: Cross multiply
    18,397,787,824.50x = 39,935,484,990 × 39,935,484,990
  4. Step 4: Simplify right side
    18,397,787,824.50x = 1,594,842,961,386,515,202,048
  5. Step 5: Solve for x
    x = 1,594,842,961,386,515,202,048/18,397,787,824.50
  6. Step 6: Final answer
    x = 86,686,669,973.59

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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.