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Finding the Third Proportional to 4,148.06 and 8,781.94

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Solution

The third proportional to 4,148.06 and 8,781.94 is: 18,592.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,148.06 : 8,781.94 = 8,781.94 : x
  2. Step 2: Convert to fraction form
    4,148.06/8,781.94 = 8,781.94/x
  3. Step 3: Cross multiply
    4,148.06x = 8,781.94 × 8,781.94
  4. Step 4: Simplify right side
    4,148.06x = 77,122,426.25
  5. Step 5: Solve for x
    x = 77,122,426.25/4,148.06
  6. Step 6: Final answer
    x = 18,592.40

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.