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Finding the Third Proportional to 3,953,902.50 and 8,632,809

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Solution

The third proportional to 3,953,902.50 and 8,632,809 is: 18,848,565.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,953,902.50 : 8,632,809 = 8,632,809 : x
  2. Step 2: Convert to fraction form
    3,953,902.50/8,632,809 = 8,632,809/x
  3. Step 3: Cross multiply
    3,953,902.50x = 8,632,809 × 8,632,809
  4. Step 4: Simplify right side
    3,953,902.50x = 74,525,391,230,481
  5. Step 5: Solve for x
    x = 74,525,391,230,481/3,953,902.50
  6. Step 6: Final answer
    x = 18,848,565.75

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.