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Finding the Third Proportional to 9,292,536 and 19,930,257

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Solution

The third proportional to 9,292,536 and 19,930,257 is: 42,745,612.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,292,536 : 19,930,257 = 19,930,257 : x
  2. Step 2: Convert to fraction form
    9,292,536/19,930,257 = 19,930,257/x
  3. Step 3: Cross multiply
    9,292,536x = 19,930,257 × 19,930,257
  4. Step 4: Simplify right side
    9,292,536x = 397,215,144,086,049
  5. Step 5: Solve for x
    x = 397,215,144,086,049/9,292,536
  6. Step 6: Final answer
    x = 42,745,612.62

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.