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Finding the Third Proportional to 21,007,116 and 45,599,472

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Solution

The third proportional to 21,007,116 and 45,599,472 is: 98,981,309.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,007,116 : 45,599,472 = 45,599,472 : x
  2. Step 2: Convert to fraction form
    21,007,116/45,599,472 = 45,599,472/x
  3. Step 3: Cross multiply
    21,007,116x = 45,599,472 × 45,599,472
  4. Step 4: Simplify right side
    21,007,116x = 2,079,311,846,678,784
  5. Step 5: Solve for x
    x = 2,079,311,846,678,784/21,007,116
  6. Step 6: Final answer
    x = 98,981,309.32

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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.