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Finding the Third Proportional to 4,548 and 8,118

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Solution

The third proportional to 4,548 and 8,118 is: 14,490.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,548 : 8,118 = 8,118 : x
  2. Step 2: Convert to fraction form
    4,548/8,118 = 8,118/x
  3. Step 3: Cross multiply
    4,548x = 8,118 × 8,118
  4. Step 4: Simplify right side
    4,548x = 65,901,924
  5. Step 5: Solve for x
    x = 65,901,924/4,548
  6. Step 6: Final answer
    x = 14,490.31

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Why These Related Problems?

These problems maintain the same ratio (1.78) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.