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Finding the Third Proportional to 3,555,261 and 8,387,470.50

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Solution

The third proportional to 3,555,261 and 8,387,470.50 is: 19,787,481.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,555,261 : 8,387,470.50 = 8,387,470.50 : x
  2. Step 2: Convert to fraction form
    3,555,261/8,387,470.50 = 8,387,470.50/x
  3. Step 3: Cross multiply
    3,555,261x = 8,387,470.50 × 8,387,470.50
  4. Step 4: Simplify right side
    3,555,261x = 70,349,661,388,370.25
  5. Step 5: Solve for x
    x = 70,349,661,388,370.25/3,555,261
  6. Step 6: Final answer
    x = 19,787,481.53

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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.