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Finding the Third Proportional to 17,966,800 and 38,960,320

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Solution

The third proportional to 17,966,800 and 38,960,320 is: 84,483,966.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,966,800 : 38,960,320 = 38,960,320 : x
  2. Step 2: Convert to fraction form
    17,966,800/38,960,320 = 38,960,320/x
  3. Step 3: Cross multiply
    17,966,800x = 38,960,320 × 38,960,320
  4. Step 4: Simplify right side
    17,966,800x = 1,517,906,534,502,400
  5. Step 5: Solve for x
    x = 1,517,906,534,502,400/17,966,800
  6. Step 6: Final answer
    x = 84,483,966.79

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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.