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Finding the Third Proportional to 3,961,124.16 and 8,347,816.20

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Solution

The third proportional to 3,961,124.16 and 8,347,816.20 is: 17,592,489.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,961,124.16 : 8,347,816.20 = 8,347,816.20 : x
  2. Step 2: Convert to fraction form
    3,961,124.16/8,347,816.20 = 8,347,816.20/x
  3. Step 3: Cross multiply
    3,961,124.16x = 8,347,816.20 × 8,347,816.20
  4. Step 4: Simplify right side
    3,961,124.16x = 69,686,035,230,721.66
  5. Step 5: Solve for x
    x = 69,686,035,230,721.66/3,961,124.16
  6. Step 6: Final answer
    x = 17,592,489.53

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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.