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Finding the Third Proportional to 8,242,096 and 18,128,548

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Solution

The third proportional to 8,242,096 and 18,128,548 is: 39,873,868.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,242,096 : 18,128,548 = 18,128,548 : x
  2. Step 2: Convert to fraction form
    8,242,096/18,128,548 = 18,128,548/x
  3. Step 3: Cross multiply
    8,242,096x = 18,128,548 × 18,128,548
  4. Step 4: Simplify right side
    8,242,096x = 328,644,252,588,304
  5. Step 5: Solve for x
    x = 328,644,252,588,304/8,242,096
  6. Step 6: Final answer
    x = 39,873,868.56

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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.