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Finding the Third Proportional to 28,455,979 and 61,227,832

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Solution

The third proportional to 28,455,979 and 61,227,832 is: 131,741,993.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,455,979 : 61,227,832 = 61,227,832 : x
  2. Step 2: Convert to fraction form
    28,455,979/61,227,832 = 61,227,832/x
  3. Step 3: Cross multiply
    28,455,979x = 61,227,832 × 61,227,832
  4. Step 4: Simplify right side
    28,455,979x = 3,748,847,411,420,224
  5. Step 5: Solve for x
    x = 3,748,847,411,420,224/28,455,979
  6. Step 6: Final answer
    x = 131,741,993.89

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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.