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Finding the Third Proportional to 3,408,781.22 and 4,783,208.20

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Solution

The third proportional to 3,408,781.22 and 4,783,208.20 is: 6,711,806.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,408,781.22 : 4,783,208.20 = 4,783,208.20 : x
  2. Step 2: Convert to fraction form
    3,408,781.22/4,783,208.20 = 4,783,208.20/x
  3. Step 3: Cross multiply
    3,408,781.22x = 4,783,208.20 × 4,783,208.20
  4. Step 4: Simplify right side
    3,408,781.22x = 22,879,080,714,442.29
  5. Step 5: Solve for x
    x = 22,879,080,714,442.29/3,408,781.22
  6. Step 6: Final answer
    x = 6,711,806.73

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.