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Finding the Third Proportional to 79,042,855 and 171,280,394

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Solution

The third proportional to 79,042,855 and 171,280,394 is: 371,152,754.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,042,855 : 171,280,394 = 171,280,394 : x
  2. Step 2: Convert to fraction form
    79,042,855/171,280,394 = 171,280,394/x
  3. Step 3: Cross multiply
    79,042,855x = 171,280,394 × 171,280,394
  4. Step 4: Simplify right side
    79,042,855x = 29,336,973,368,795,236
  5. Step 5: Solve for x
    x = 29,336,973,368,795,236/79,042,855
  6. Step 6: Final answer
    x = 371,152,754.65

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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.