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Finding the Third Proportional to 15,984.84 and 25,439.06

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Solution

The third proportional to 15,984.84 and 25,439.06 is: 40,484.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,984.84 : 25,439.06 = 25,439.06 : x
  2. Step 2: Convert to fraction form
    15,984.84/25,439.06 = 25,439.06/x
  3. Step 3: Cross multiply
    15,984.84x = 25,439.06 × 25,439.06
  4. Step 4: Simplify right side
    15,984.84x = 647,145,900.88
  5. Step 5: Solve for x
    x = 647,145,900.88/15,984.84
  6. Step 6: Final answer
    x = 40,484.97

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.