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Finding the Third Proportional to 28,696,991,080 and 40,394,077,431

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Solution

The third proportional to 28,696,991,080 and 40,394,077,431 is: 56,858,974,759.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,696,991,080 : 40,394,077,431 = 40,394,077,431 : x
  2. Step 2: Convert to fraction form
    28,696,991,080/40,394,077,431 = 40,394,077,431/x
  3. Step 3: Cross multiply
    28,696,991,080x = 40,394,077,431 × 40,394,077,431
  4. Step 4: Simplify right side
    28,696,991,080x = 1,631,681,491,501,623,541,760
  5. Step 5: Solve for x
    x = 1,631,681,491,501,623,541,760/28,696,991,080
  6. Step 6: Final answer
    x = 56,858,974,759.86

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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.