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Finding the Third Proportional to 12,922,394 and 20,274,207

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Solution

The third proportional to 12,922,394 and 20,274,207 is: 31,808,616.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,922,394 : 20,274,207 = 20,274,207 : x
  2. Step 2: Convert to fraction form
    12,922,394/20,274,207 = 20,274,207/x
  3. Step 3: Cross multiply
    12,922,394x = 20,274,207 × 20,274,207
  4. Step 4: Simplify right side
    12,922,394x = 411,043,469,478,849
  5. Step 5: Solve for x
    x = 411,043,469,478,849/12,922,394
  6. Step 6: Final answer
    x = 31,808,616.07

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.