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Finding the Third Proportional to 115,617,150 and 272,844,739

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Solution

The third proportional to 115,617,150 and 272,844,739 is: 643,885,890.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,617,150 : 272,844,739 = 272,844,739 : x
  2. Step 2: Convert to fraction form
    115,617,150/272,844,739 = 272,844,739/x
  3. Step 3: Cross multiply
    115,617,150x = 272,844,739 × 272,844,739
  4. Step 4: Simplify right side
    115,617,150x = 74,444,251,599,978,128
  5. Step 5: Solve for x
    x = 74,444,251,599,978,128/115,617,150
  6. Step 6: Final answer
    x = 643,885,890.63

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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.