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Finding the Third Proportional to 8,686,126 and 19,085,240

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Solution

The third proportional to 8,686,126 and 19,085,240 is: 41,934,273.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,686,126 : 19,085,240 = 19,085,240 : x
  2. Step 2: Convert to fraction form
    8,686,126/19,085,240 = 19,085,240/x
  3. Step 3: Cross multiply
    8,686,126x = 19,085,240 × 19,085,240
  4. Step 4: Simplify right side
    8,686,126x = 364,246,385,857,600
  5. Step 5: Solve for x
    x = 364,246,385,857,600/8,686,126
  6. Step 6: Final answer
    x = 41,934,273.79

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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.