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Finding the Third Proportional to 18,578,296.50 and 38,850,561

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Solution

The third proportional to 18,578,296.50 and 38,850,561 is: 81,243,513.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,578,296.50 : 38,850,561 = 38,850,561 : x
  2. Step 2: Convert to fraction form
    18,578,296.50/38,850,561 = 38,850,561/x
  3. Step 3: Cross multiply
    18,578,296.50x = 38,850,561 × 38,850,561
  4. Step 4: Simplify right side
    18,578,296.50x = 1,509,366,090,014,721
  5. Step 5: Solve for x
    x = 1,509,366,090,014,721/18,578,296.50
  6. Step 6: Final answer
    x = 81,243,513.90

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Why These Related Problems?

These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.