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Finding the Third Proportional to 3,317,784 and 7,278,384

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Solution

The third proportional to 3,317,784 and 7,278,384 is: 15,966,944.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,317,784 : 7,278,384 = 7,278,384 : x
  2. Step 2: Convert to fraction form
    3,317,784/7,278,384 = 7,278,384/x
  3. Step 3: Cross multiply
    3,317,784x = 7,278,384 × 7,278,384
  4. Step 4: Simplify right side
    3,317,784x = 52,974,873,651,456
  5. Step 5: Solve for x
    x = 52,974,873,651,456/3,317,784
  6. Step 6: Final answer
    x = 15,966,944.70

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.