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Finding the Third Proportional to 3,961,125.28 and 8,347,818.38

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Solution

The third proportional to 3,961,125.28 and 8,347,818.38 is: 17,592,493.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,961,125.28 : 8,347,818.38 = 8,347,818.38 : x
  2. Step 2: Convert to fraction form
    3,961,125.28/8,347,818.38 = 8,347,818.38/x
  3. Step 3: Cross multiply
    3,961,125.28x = 8,347,818.38 × 8,347,818.38
  4. Step 4: Simplify right side
    3,961,125.28x = 69,686,071,621,987.64
  5. Step 5: Solve for x
    x = 69,686,071,621,987.64/3,961,125.28
  6. Step 6: Final answer
    x = 17,592,493.72

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.