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Finding the Third Proportional to 36,643,680 and 79,601,472

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Solution

The third proportional to 36,643,680 and 79,601,472 is: 172,919,159.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,643,680 : 79,601,472 = 79,601,472 : x
  2. Step 2: Convert to fraction form
    36,643,680/79,601,472 = 79,601,472/x
  3. Step 3: Cross multiply
    36,643,680x = 79,601,472 × 79,601,472
  4. Step 4: Simplify right side
    36,643,680x = 6,336,394,344,566,784
  5. Step 5: Solve for x
    x = 6,336,394,344,566,784/36,643,680
  6. Step 6: Final answer
    x = 172,919,159.44

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.