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Finding the Third Proportional to 57,228,821 and 123,957,969

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Solution

The third proportional to 57,228,821 and 123,957,969 is: 268,493,703.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,228,821 : 123,957,969 = 123,957,969 : x
  2. Step 2: Convert to fraction form
    57,228,821/123,957,969 = 123,957,969/x
  3. Step 3: Cross multiply
    57,228,821x = 123,957,969 × 123,957,969
  4. Step 4: Simplify right side
    57,228,821x = 15,365,578,078,604,960
  5. Step 5: Solve for x
    x = 15,365,578,078,604,960/57,228,821
  6. Step 6: Final answer
    x = 268,493,703.17

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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.