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Finding the Third Proportional to 3,257,309 and 7,156,987

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Solution

The third proportional to 3,257,309 and 7,156,987 is: 15,725,392.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,257,309 : 7,156,987 = 7,156,987 : x
  2. Step 2: Convert to fraction form
    3,257,309/7,156,987 = 7,156,987/x
  3. Step 3: Cross multiply
    3,257,309x = 7,156,987 × 7,156,987
  4. Step 4: Simplify right side
    3,257,309x = 51,222,462,918,169
  5. Step 5: Solve for x
    x = 51,222,462,918,169/3,257,309
  6. Step 6: Final answer
    x = 15,725,392.62

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.