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Finding the Third Proportional to 21,007,147 and 45,599,534

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Solution

The third proportional to 21,007,147 and 45,599,534 is: 98,981,432.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,007,147 : 45,599,534 = 45,599,534 : x
  2. Step 2: Convert to fraction form
    21,007,147/45,599,534 = 45,599,534/x
  3. Step 3: Cross multiply
    21,007,147x = 45,599,534 × 45,599,534
  4. Step 4: Simplify right side
    21,007,147x = 2,079,317,501,017,156
  5. Step 5: Solve for x
    x = 2,079,317,501,017,156/21,007,147
  6. Step 6: Final answer
    x = 98,981,432.42

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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.