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Finding the Third Proportional to 9,355,179 and 20,156,694

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Solution

The third proportional to 9,355,179 and 20,156,694 is: 43,429,667.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,355,179 : 20,156,694 = 20,156,694 : x
  2. Step 2: Convert to fraction form
    9,355,179/20,156,694 = 20,156,694/x
  3. Step 3: Cross multiply
    9,355,179x = 20,156,694 × 20,156,694
  4. Step 4: Simplify right side
    9,355,179x = 406,292,313,009,636
  5. Step 5: Solve for x
    x = 406,292,313,009,636/9,355,179
  6. Step 6: Final answer
    x = 43,429,667.46

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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.