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Finding the Third Proportional to 38,481,988 and 80,148,248

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Solution

The third proportional to 38,481,988 and 80,148,248 is: 166,928,529.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,481,988 : 80,148,248 = 80,148,248 : x
  2. Step 2: Convert to fraction form
    38,481,988/80,148,248 = 80,148,248/x
  3. Step 3: Cross multiply
    38,481,988x = 80,148,248 × 80,148,248
  4. Step 4: Simplify right side
    38,481,988x = 6,423,741,657,469,504
  5. Step 5: Solve for x
    x = 6,423,741,657,469,504/38,481,988
  6. Step 6: Final answer
    x = 166,928,529.20

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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.