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Finding the Third Proportional to 21,007,103 and 45,599,446

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Solution

The third proportional to 21,007,103 and 45,599,446 is: 98,981,257.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,007,103 : 45,599,446 = 45,599,446 : x
  2. Step 2: Convert to fraction form
    21,007,103/45,599,446 = 45,599,446/x
  3. Step 3: Cross multiply
    21,007,103x = 45,599,446 × 45,599,446
  4. Step 4: Simplify right side
    21,007,103x = 2,079,309,475,506,916
  5. Step 5: Solve for x
    x = 2,079,309,475,506,916/21,007,103
  6. Step 6: Final answer
    x = 98,981,257.70

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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.