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Finding the Third Proportional to 3,591,379 and 7,881,207

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Solution

The third proportional to 3,591,379 and 7,881,207 is: 17,295,145.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,591,379 : 7,881,207 = 7,881,207 : x
  2. Step 2: Convert to fraction form
    3,591,379/7,881,207 = 7,881,207/x
  3. Step 3: Cross multiply
    3,591,379x = 7,881,207 × 7,881,207
  4. Step 4: Simplify right side
    3,591,379x = 62,113,423,776,849
  5. Step 5: Solve for x
    x = 62,113,423,776,849/3,591,379
  6. Step 6: Final answer
    x = 17,295,145.90

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.