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Finding the Third Proportional to 12,624 and 26,555

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Solution

The third proportional to 12,624 and 26,555 is: 55,859.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,624 : 26,555 = 26,555 : x
  2. Step 2: Convert to fraction form
    12,624/26,555 = 26,555/x
  3. Step 3: Cross multiply
    12,624x = 26,555 × 26,555
  4. Step 4: Simplify right side
    12,624x = 705,168,025
  5. Step 5: Solve for x
    x = 705,168,025/12,624
  6. Step 6: Final answer
    x = 55,859.32

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.