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Finding the Third Proportional to 3,831,705 and 6,385,919

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Solution

The third proportional to 3,831,705 and 6,385,919 is: 10,642,771.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,831,705 : 6,385,919 = 6,385,919 : x
  2. Step 2: Convert to fraction form
    3,831,705/6,385,919 = 6,385,919/x
  3. Step 3: Cross multiply
    3,831,705x = 6,385,919 × 6,385,919
  4. Step 4: Simplify right side
    3,831,705x = 40,779,961,474,561
  5. Step 5: Solve for x
    x = 40,779,961,474,561/3,831,705
  6. Step 6: Final answer
    x = 10,642,771.68

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Why These Related Problems?

These problems maintain the same ratio (1.67) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.