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Finding the Third Proportional to 28,696,990,812 and 40,394,077,040

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Solution

The third proportional to 28,696,990,812 and 40,394,077,040 is: 56,858,974,190.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,696,990,812 : 40,394,077,040 = 40,394,077,040 : x
  2. Step 2: Convert to fraction form
    28,696,990,812/40,394,077,040 = 40,394,077,040/x
  3. Step 3: Cross multiply
    28,696,990,812x = 40,394,077,040 × 40,394,077,040
  4. Step 4: Simplify right side
    28,696,990,812x = 1,631,681,459,913,455,042,560
  5. Step 5: Solve for x
    x = 1,631,681,459,913,455,042,560/28,696,990,812
  6. Step 6: Final answer
    x = 56,858,974,190.11

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.