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Finding the Third Proportional to 3,318,730 and 5,214,732

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Solution

The third proportional to 3,318,730 and 5,214,732 is: 8,193,926.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,318,730 : 5,214,732 = 5,214,732 : x
  2. Step 2: Convert to fraction form
    3,318,730/5,214,732 = 5,214,732/x
  3. Step 3: Cross multiply
    3,318,730x = 5,214,732 × 5,214,732
  4. Step 4: Simplify right side
    3,318,730x = 27,193,429,831,824
  5. Step 5: Solve for x
    x = 27,193,429,831,824/3,318,730
  6. Step 6: Final answer
    x = 8,193,926.54

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.