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Finding the Third Proportional to 3,140,399 and 6,900,119

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Solution

The third proportional to 3,140,399 and 6,900,119 is: 15,161,016.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,140,399 : 6,900,119 = 6,900,119 : x
  2. Step 2: Convert to fraction form
    3,140,399/6,900,119 = 6,900,119/x
  3. Step 3: Cross multiply
    3,140,399x = 6,900,119 × 6,900,119
  4. Step 4: Simplify right side
    3,140,399x = 47,611,642,214,161
  5. Step 5: Solve for x
    x = 47,611,642,214,161/3,140,399
  6. Step 6: Final answer
    x = 15,161,016.87

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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.