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Finding the Third Proportional to 4,195,422 and 9,188,127

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Solution

The third proportional to 4,195,422 and 9,188,127 is: 20,122,332.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,195,422 : 9,188,127 = 9,188,127 : x
  2. Step 2: Convert to fraction form
    4,195,422/9,188,127 = 9,188,127/x
  3. Step 3: Cross multiply
    4,195,422x = 9,188,127 × 9,188,127
  4. Step 4: Simplify right side
    4,195,422x = 84,421,677,768,129
  5. Step 5: Solve for x
    x = 84,421,677,768,129/4,195,422
  6. Step 6: Final answer
    x = 20,122,332.81

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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.