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Finding the Third Proportional to 56,039,728 and 121,644,872

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Solution

The third proportional to 56,039,728 and 121,644,872 is: 264,053,295.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,039,728 : 121,644,872 = 121,644,872 : x
  2. Step 2: Convert to fraction form
    56,039,728/121,644,872 = 121,644,872/x
  3. Step 3: Cross multiply
    56,039,728x = 121,644,872 × 121,644,872
  4. Step 4: Simplify right side
    56,039,728x = 14,797,474,883,896,384
  5. Step 5: Solve for x
    x = 14,797,474,883,896,384/56,039,728
  6. Step 6: Final answer
    x = 264,053,295.97

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.