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Finding the Third Proportional to 8,858,732,872 and 20,911,885,768

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Solution

The third proportional to 8,858,732,872 and 20,911,885,768 is: 49,364,505,363.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,858,732,872 : 20,911,885,768 = 20,911,885,768 : x
  2. Step 2: Convert to fraction form
    8,858,732,872/20,911,885,768 = 20,911,885,768/x
  3. Step 3: Cross multiply
    8,858,732,872x = 20,911,885,768 × 20,911,885,768
  4. Step 4: Simplify right side
    8,858,732,872x = 437,306,966,373,880,954,880
  5. Step 5: Solve for x
    x = 437,306,966,373,880,954,880/8,858,732,872
  6. Step 6: Final answer
    x = 49,364,505,363.53

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.