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Finding the Third Proportional to 12,922,349 and 20,006,634

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Solution

The third proportional to 12,922,349 and 20,006,634 is: 30,974,662.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,922,349 : 20,006,634 = 20,006,634 : x
  2. Step 2: Convert to fraction form
    12,922,349/20,006,634 = 20,006,634/x
  3. Step 3: Cross multiply
    12,922,349x = 20,006,634 × 20,006,634
  4. Step 4: Simplify right side
    12,922,349x = 400,265,404,009,956
  5. Step 5: Solve for x
    x = 400,265,404,009,956/12,922,349
  6. Step 6: Final answer
    x = 30,974,662.89

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.