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Finding the Third Proportional to 864,350,427.66 and 1,859,795,512.97

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Solution

The third proportional to 864,350,427.66 and 1,859,795,512.97 is: 4,001,663,259.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,350,427.66 : 1,859,795,512.97 = 1,859,795,512.97 : x
  2. Step 2: Convert to fraction form
    864,350,427.66/1,859,795,512.97 = 1,859,795,512.97/x
  3. Step 3: Cross multiply
    864,350,427.66x = 1,859,795,512.97 × 1,859,795,512.97
  4. Step 4: Simplify right side
    864,350,427.66x = 3,458,839,350,058,882,048
  5. Step 5: Solve for x
    x = 3,458,839,350,058,882,048/864,350,427.66
  6. Step 6: Final answer
    x = 4,001,663,259.93

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These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.