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Finding the Third Proportional to 6,128,568 and 9,278,172

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Solution

The third proportional to 6,128,568 and 9,278,172 is: 14,046,425.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,128,568 : 9,278,172 = 9,278,172 : x
  2. Step 2: Convert to fraction form
    6,128,568/9,278,172 = 9,278,172/x
  3. Step 3: Cross multiply
    6,128,568x = 9,278,172 × 9,278,172
  4. Step 4: Simplify right side
    6,128,568x = 86,084,475,661,584
  5. Step 5: Solve for x
    x = 86,084,475,661,584/6,128,568
  6. Step 6: Final answer
    x = 14,046,425.80

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.