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Finding the Third Proportional to 4,356 and 8,964

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Solution

The third proportional to 4,356 and 8,964 is: 18,446.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,356 : 8,964 = 8,964 : x
  2. Step 2: Convert to fraction form
    4,356/8,964 = 8,964/x
  3. Step 3: Cross multiply
    4,356x = 8,964 × 8,964
  4. Step 4: Simplify right side
    4,356x = 80,353,296
  5. Step 5: Solve for x
    x = 80,353,296/4,356
  6. Step 6: Final answer
    x = 18,446.58

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Why These Related Problems?

These problems maintain the same ratio (2.06) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.