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Finding the Third Proportional to 8,218,950 and 13,089,498

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Solution

The third proportional to 8,218,950 and 13,089,498 is: 20,846,331.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,218,950 : 13,089,498 = 13,089,498 : x
  2. Step 2: Convert to fraction form
    8,218,950/13,089,498 = 13,089,498/x
  3. Step 3: Cross multiply
    8,218,950x = 13,089,498 × 13,089,498
  4. Step 4: Simplify right side
    8,218,950x = 171,334,957,892,004
  5. Step 5: Solve for x
    x = 171,334,957,892,004/8,218,950
  6. Step 6: Final answer
    x = 20,846,331.70

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.