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Finding the Third Proportional to 143,621,979 and 227,456,817

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Solution

The third proportional to 143,621,979 and 227,456,817 is: 360,227,619.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,621,979 : 227,456,817 = 227,456,817 : x
  2. Step 2: Convert to fraction form
    143,621,979/227,456,817 = 227,456,817/x
  3. Step 3: Cross multiply
    143,621,979x = 227,456,817 × 227,456,817
  4. Step 4: Simplify right side
    143,621,979x = 51,736,603,599,771,488
  5. Step 5: Solve for x
    x = 51,736,603,599,771,488/143,621,979
  6. Step 6: Final answer
    x = 360,227,619.48

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.