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Finding the Third Proportional to 12,839,076 and 19,944,202

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Solution

The third proportional to 12,839,076 and 19,944,202 is: 30,981,294.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,839,076 : 19,944,202 = 19,944,202 : x
  2. Step 2: Convert to fraction form
    12,839,076/19,944,202 = 19,944,202/x
  3. Step 3: Cross multiply
    12,839,076x = 19,944,202 × 19,944,202
  4. Step 4: Simplify right side
    12,839,076x = 397,771,193,416,804
  5. Step 5: Solve for x
    x = 397,771,193,416,804/12,839,076
  6. Step 6: Final answer
    x = 30,981,294.40

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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.