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Finding the Third Proportional to 4,260 and 8,904

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Solution

The third proportional to 4,260 and 8,904 is: 18,610.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,260 : 8,904 = 8,904 : x
  2. Step 2: Convert to fraction form
    4,260/8,904 = 8,904/x
  3. Step 3: Cross multiply
    4,260x = 8,904 × 8,904
  4. Step 4: Simplify right side
    4,260x = 79,281,216
  5. Step 5: Solve for x
    x = 79,281,216/4,260
  6. Step 6: Final answer
    x = 18,610.61

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Why These Related Problems?

These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.