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Finding the Third Proportional to 4,234 and 8,628

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Solution

The third proportional to 4,234 and 8,628 is: 17,582.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,234 : 8,628 = 8,628 : x
  2. Step 2: Convert to fraction form
    4,234/8,628 = 8,628/x
  3. Step 3: Cross multiply
    4,234x = 8,628 × 8,628
  4. Step 4: Simplify right side
    4,234x = 74,442,384
  5. Step 5: Solve for x
    x = 74,442,384/4,234
  6. Step 6: Final answer
    x = 17,582.05

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Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.