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Finding the Third Proportional to 8,745,192 and 19,212,120

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Solution

The third proportional to 8,745,192 and 19,212,120 is: 42,206,683.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,745,192 : 19,212,120 = 19,212,120 : x
  2. Step 2: Convert to fraction form
    8,745,192/19,212,120 = 19,212,120/x
  3. Step 3: Cross multiply
    8,745,192x = 19,212,120 × 19,212,120
  4. Step 4: Simplify right side
    8,745,192x = 369,105,554,894,400
  5. Step 5: Solve for x
    x = 369,105,554,894,400/8,745,192
  6. Step 6: Final answer
    x = 42,206,683.96

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.