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Finding the Third Proportional to 9,179,112 and 19,979,598

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Solution

The third proportional to 9,179,112 and 19,979,598 is: 43,488,339.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,179,112 : 19,979,598 = 19,979,598 : x
  2. Step 2: Convert to fraction form
    9,179,112/19,979,598 = 19,979,598/x
  3. Step 3: Cross multiply
    9,179,112x = 19,979,598 × 19,979,598
  4. Step 4: Simplify right side
    9,179,112x = 399,184,336,241,604
  5. Step 5: Solve for x
    x = 399,184,336,241,604/9,179,112
  6. Step 6: Final answer
    x = 43,488,339.20

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.