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Finding the Third Proportional to 3,292,423 and 7,188,134

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Solution

The third proportional to 3,292,423 and 7,188,134 is: 15,693,387.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,292,423 : 7,188,134 = 7,188,134 : x
  2. Step 2: Convert to fraction form
    3,292,423/7,188,134 = 7,188,134/x
  3. Step 3: Cross multiply
    3,292,423x = 7,188,134 × 7,188,134
  4. Step 4: Simplify right side
    3,292,423x = 51,669,270,401,956
  5. Step 5: Solve for x
    x = 51,669,270,401,956/3,292,423
  6. Step 6: Final answer
    x = 15,693,387.64

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.