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Finding the Third Proportional to 4,357 and 9,356

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Solution

The third proportional to 4,357 and 9,356 is: 20,090.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,357 : 9,356 = 9,356 : x
  2. Step 2: Convert to fraction form
    4,357/9,356 = 9,356/x
  3. Step 3: Cross multiply
    4,357x = 9,356 × 9,356
  4. Step 4: Simplify right side
    4,357x = 87,534,736
  5. Step 5: Solve for x
    x = 87,534,736/4,357
  6. Step 6: Final answer
    x = 20,090.60

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.