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Finding the Third Proportional to 38,481,900 and 80,148,072

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Solution

The third proportional to 38,481,900 and 80,148,072 is: 166,928,177.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,481,900 : 80,148,072 = 80,148,072 : x
  2. Step 2: Convert to fraction form
    38,481,900/80,148,072 = 80,148,072/x
  3. Step 3: Cross multiply
    38,481,900x = 80,148,072 × 80,148,072
  4. Step 4: Simplify right side
    38,481,900x = 6,423,713,445,317,184
  5. Step 5: Solve for x
    x = 6,423,713,445,317,184/38,481,900
  6. Step 6: Final answer
    x = 166,928,177.80

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.