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Finding the Third Proportional to 3,326,772 and 7,218,201

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Solution

The third proportional to 3,326,772 and 7,218,201 is: 15,661,555.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,326,772 : 7,218,201 = 7,218,201 : x
  2. Step 2: Convert to fraction form
    3,326,772/7,218,201 = 7,218,201/x
  3. Step 3: Cross multiply
    3,326,772x = 7,218,201 × 7,218,201
  4. Step 4: Simplify right side
    3,326,772x = 52,102,425,676,401
  5. Step 5: Solve for x
    x = 52,102,425,676,401/3,326,772
  6. Step 6: Final answer
    x = 15,661,555.91

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.