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Finding the Third Proportional to 18,946,668 and 41,672,472

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Solution

The third proportional to 18,946,668 and 41,672,472 is: 91,657,009.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,946,668 : 41,672,472 = 41,672,472 : x
  2. Step 2: Convert to fraction form
    18,946,668/41,672,472 = 41,672,472/x
  3. Step 3: Cross multiply
    18,946,668x = 41,672,472 × 41,672,472
  4. Step 4: Simplify right side
    18,946,668x = 1,736,594,922,590,784
  5. Step 5: Solve for x
    x = 1,736,594,922,590,784/18,946,668
  6. Step 6: Final answer
    x = 91,657,009.17

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.