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Finding the Third Proportional to 6,690,966 and 10,646,643

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Solution

The third proportional to 6,690,966 and 10,646,643 is: 16,940,903.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,690,966 : 10,646,643 = 10,646,643 : x
  2. Step 2: Convert to fraction form
    6,690,966/10,646,643 = 10,646,643/x
  3. Step 3: Cross multiply
    6,690,966x = 10,646,643 × 10,646,643
  4. Step 4: Simplify right side
    6,690,966x = 113,351,007,169,449
  5. Step 5: Solve for x
    x = 113,351,007,169,449/6,690,966
  6. Step 6: Final answer
    x = 16,940,903.18

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.