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Finding the Third Proportional to 10,102,327,696,775 and 20,740,209,215,017

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Solution

The third proportional to 10,102,327,696,775 and 20,740,209,215,017 is: 42,579,917,341,227.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,102,327,696,775 : 20,740,209,215,017 = 20,740,209,215,017 : x
  2. Step 2: Convert to fraction form
    10,102,327,696,775/20,740,209,215,017 = 20,740,209,215,017/x
  3. Step 3: Cross multiply
    10,102,327,696,775x = 20,740,209,215,017 × 20,740,209,215,017
  4. Step 4: Simplify right side
    10,102,327,696,775x = 430,156,278,282,676,056,293,900,288
  5. Step 5: Solve for x
    x = 430,156,278,282,676,056,293,900,288/10,102,327,696,775
  6. Step 6: Final answer
    x = 42,579,917,341,227.84

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.