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Finding the Third Proportional to 18,578,327.50 and 38,850,621

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Solution

The third proportional to 18,578,327.50 and 38,850,621 is: 81,243,629.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,578,327.50 : 38,850,621 = 38,850,621 : x
  2. Step 2: Convert to fraction form
    18,578,327.50/38,850,621 = 38,850,621/x
  3. Step 3: Cross multiply
    18,578,327.50x = 38,850,621 × 38,850,621
  4. Step 4: Simplify right side
    18,578,327.50x = 1,509,370,752,085,641
  5. Step 5: Solve for x
    x = 1,509,370,752,085,641/18,578,327.50
  6. Step 6: Final answer
    x = 81,243,629.28

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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.