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Finding the Third Proportional to 8,458,674 and 13,619,711

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Solution

The third proportional to 8,458,674 and 13,619,711 is: 21,929,740.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,458,674 : 13,619,711 = 13,619,711 : x
  2. Step 2: Convert to fraction form
    8,458,674/13,619,711 = 13,619,711/x
  3. Step 3: Cross multiply
    8,458,674x = 13,619,711 × 13,619,711
  4. Step 4: Simplify right side
    8,458,674x = 185,496,527,723,521
  5. Step 5: Solve for x
    x = 185,496,527,723,521/8,458,674
  6. Step 6: Final answer
    x = 21,929,740.73

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Why These Related Problems?

These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.