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Finding the Third Proportional to 28,647,536,756 and 61,648,639,496

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Solution

The third proportional to 28,647,536,756 and 61,648,639,496 is: 132,666,022,355.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,647,536,756 : 61,648,639,496 = 61,648,639,496 : x
  2. Step 2: Convert to fraction form
    28,647,536,756/61,648,639,496 = 61,648,639,496/x
  3. Step 3: Cross multiply
    28,647,536,756x = 61,648,639,496 × 61,648,639,496
  4. Step 4: Simplify right side
    28,647,536,756x = 3,800,554,751,707,771,305,984
  5. Step 5: Solve for x
    x = 3,800,554,751,707,771,305,984/28,647,536,756
  6. Step 6: Final answer
    x = 132,666,022,355.72

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Why These Related Problems?

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