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Finding the Third Proportional to 12,619,620 and 27,450,320

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Solution

The third proportional to 12,619,620 and 27,450,320 is: 59,710,202.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,619,620 : 27,450,320 = 27,450,320 : x
  2. Step 2: Convert to fraction form
    12,619,620/27,450,320 = 27,450,320/x
  3. Step 3: Cross multiply
    12,619,620x = 27,450,320 × 27,450,320
  4. Step 4: Simplify right side
    12,619,620x = 753,520,068,102,400
  5. Step 5: Solve for x
    x = 753,520,068,102,400/12,619,620
  6. Step 6: Final answer
    x = 59,710,202.69

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.