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Finding the Third Proportional to 8,176,665 and 11,109,420

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Solution

The third proportional to 8,176,665 and 11,109,420 is: 15,094,077.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,176,665 : 11,109,420 = 11,109,420 : x
  2. Step 2: Convert to fraction form
    8,176,665/11,109,420 = 11,109,420/x
  3. Step 3: Cross multiply
    8,176,665x = 11,109,420 × 11,109,420
  4. Step 4: Simplify right side
    8,176,665x = 123,419,212,736,400
  5. Step 5: Solve for x
    x = 123,419,212,736,400/8,176,665
  6. Step 6: Final answer
    x = 15,094,077.20

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.