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Finding the Third Proportional to 8,960,472 and 19,662,771

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Solution

The third proportional to 8,960,472 and 19,662,771 is: 43,147,789.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,960,472 : 19,662,771 = 19,662,771 : x
  2. Step 2: Convert to fraction form
    8,960,472/19,662,771 = 19,662,771/x
  3. Step 3: Cross multiply
    8,960,472x = 19,662,771 × 19,662,771
  4. Step 4: Simplify right side
    8,960,472x = 386,624,563,398,441
  5. Step 5: Solve for x
    x = 386,624,563,398,441/8,960,472
  6. Step 6: Final answer
    x = 43,147,789.92

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.