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Finding the Third Proportional to 8,578,322 and 13,373,902

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Solution

The third proportional to 8,578,322 and 13,373,902 is: 20,850,377.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,578,322 : 13,373,902 = 13,373,902 : x
  2. Step 2: Convert to fraction form
    8,578,322/13,373,902 = 13,373,902/x
  3. Step 3: Cross multiply
    8,578,322x = 13,373,902 × 13,373,902
  4. Step 4: Simplify right side
    8,578,322x = 178,861,254,705,604
  5. Step 5: Solve for x
    x = 178,861,254,705,604/8,578,322
  6. Step 6: Final answer
    x = 20,850,377.81

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.