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Finding the Third Proportional to 3,021,876 and 6,381,639

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Solution

The third proportional to 3,021,876 and 6,381,639 is: 13,476,832.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,021,876 : 6,381,639 = 6,381,639 : x
  2. Step 2: Convert to fraction form
    3,021,876/6,381,639 = 6,381,639/x
  3. Step 3: Cross multiply
    3,021,876x = 6,381,639 × 6,381,639
  4. Step 4: Simplify right side
    3,021,876x = 40,725,316,326,321
  5. Step 5: Solve for x
    x = 40,725,316,326,321/3,021,876
  6. Step 6: Final answer
    x = 13,476,832.38

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.