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Finding the Third Proportional to 3,218,908 and 6,960,518

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Solution

The third proportional to 3,218,908 and 6,960,518 is: 15,051,318.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,218,908 : 6,960,518 = 6,960,518 : x
  2. Step 2: Convert to fraction form
    3,218,908/6,960,518 = 6,960,518/x
  3. Step 3: Cross multiply
    3,218,908x = 6,960,518 × 6,960,518
  4. Step 4: Simplify right side
    3,218,908x = 48,448,810,828,324
  5. Step 5: Solve for x
    x = 48,448,810,828,324/3,218,908
  6. Step 6: Final answer
    x = 15,051,318.90

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.