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Finding the Third Proportional to 38,491,498 and 79,711,399

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Solution

The third proportional to 38,491,498 and 79,711,399 is: 165,073,002.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,491,498 : 79,711,399 = 79,711,399 : x
  2. Step 2: Convert to fraction form
    38,491,498/79,711,399 = 79,711,399/x
  3. Step 3: Cross multiply
    38,491,498x = 79,711,399 × 79,711,399
  4. Step 4: Simplify right side
    38,491,498x = 6,353,907,130,537,201
  5. Step 5: Solve for x
    x = 6,353,907,130,537,201/38,491,498
  6. Step 6: Final answer
    x = 165,073,002.11

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.