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Finding the Third Proportional to 3,140,406 and 6,900,135

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Solution

The third proportional to 3,140,406 and 6,900,135 is: 15,161,053.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,140,406 : 6,900,135 = 6,900,135 : x
  2. Step 2: Convert to fraction form
    3,140,406/6,900,135 = 6,900,135/x
  3. Step 3: Cross multiply
    3,140,406x = 6,900,135 × 6,900,135
  4. Step 4: Simplify right side
    3,140,406x = 47,611,863,018,225
  5. Step 5: Solve for x
    x = 47,611,863,018,225/3,140,406
  6. Step 6: Final answer
    x = 15,161,053.39

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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.