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Finding the Third Proportional to 21,667,234,909 and 43,943,703,151

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Solution

The third proportional to 21,667,234,909 and 43,943,703,151 is: 89,123,003,222.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,667,234,909 : 43,943,703,151 = 43,943,703,151 : x
  2. Step 2: Convert to fraction form
    21,667,234,909/43,943,703,151 = 43,943,703,151/x
  3. Step 3: Cross multiply
    21,667,234,909x = 43,943,703,151 × 43,943,703,151
  4. Step 4: Simplify right side
    21,667,234,909x = 1,931,049,046,623,207,292,928
  5. Step 5: Solve for x
    x = 1,931,049,046,623,207,292,928/21,667,234,909
  6. Step 6: Final answer
    x = 89,123,003,222.76

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Why These Related Problems?

These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.