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Finding the Third Proportional to 15,206,666 and 31,491,212

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Solution

The third proportional to 15,206,666 and 31,491,212 is: 65,214,586.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,206,666 : 31,491,212 = 31,491,212 : x
  2. Step 2: Convert to fraction form
    15,206,666/31,491,212 = 31,491,212/x
  3. Step 3: Cross multiply
    15,206,666x = 31,491,212 × 31,491,212
  4. Step 4: Simplify right side
    15,206,666x = 991,696,433,228,944
  5. Step 5: Solve for x
    x = 991,696,433,228,944/15,206,666
  6. Step 6: Final answer
    x = 65,214,586.37

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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.