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Finding the Third Proportional to 3,151,116 and 6,872,568

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Solution

The third proportional to 3,151,116 and 6,872,568 is: 14,989,035.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,151,116 : 6,872,568 = 6,872,568 : x
  2. Step 2: Convert to fraction form
    3,151,116/6,872,568 = 6,872,568/x
  3. Step 3: Cross multiply
    3,151,116x = 6,872,568 × 6,872,568
  4. Step 4: Simplify right side
    3,151,116x = 47,232,190,914,624
  5. Step 5: Solve for x
    x = 47,232,190,914,624/3,151,116
  6. Step 6: Final answer
    x = 14,989,035.92

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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.