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Finding the Third Proportional to 4,259,785 and 9,169,108

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Solution

The third proportional to 4,259,785 and 9,169,108 is: 19,736,334.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,259,785 : 9,169,108 = 9,169,108 : x
  2. Step 2: Convert to fraction form
    4,259,785/9,169,108 = 9,169,108/x
  3. Step 3: Cross multiply
    4,259,785x = 9,169,108 × 9,169,108
  4. Step 4: Simplify right side
    4,259,785x = 84,072,541,515,664
  5. Step 5: Solve for x
    x = 84,072,541,515,664/4,259,785
  6. Step 6: Final answer
    x = 19,736,334.47

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.