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Finding the Third Proportional to 4,355 and 9,352

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Solution

The third proportional to 4,355 and 9,352 is: 20,082.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,355 : 9,352 = 9,352 : x
  2. Step 2: Convert to fraction form
    4,355/9,352 = 9,352/x
  3. Step 3: Cross multiply
    4,355x = 9,352 × 9,352
  4. Step 4: Simplify right side
    4,355x = 87,459,904
  5. Step 5: Solve for x
    x = 87,459,904/4,355
  6. Step 6: Final answer
    x = 20,082.64

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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.