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Finding the Third Proportional to 3,138,518 and 6,653,666

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Solution

The third proportional to 3,138,518 and 6,653,666 is: 14,105,788.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,138,518 : 6,653,666 = 6,653,666 : x
  2. Step 2: Convert to fraction form
    3,138,518/6,653,666 = 6,653,666/x
  3. Step 3: Cross multiply
    3,138,518x = 6,653,666 × 6,653,666
  4. Step 4: Simplify right side
    3,138,518x = 44,271,271,239,556
  5. Step 5: Solve for x
    x = 44,271,271,239,556/3,138,518
  6. Step 6: Final answer
    x = 14,105,788.54

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.