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Finding the Third Proportional to 20,385 and 32,433

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Solution

The third proportional to 20,385 and 32,433 is: 51,601.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,385 : 32,433 = 32,433 : x
  2. Step 2: Convert to fraction form
    20,385/32,433 = 32,433/x
  3. Step 3: Cross multiply
    20,385x = 32,433 × 32,433
  4. Step 4: Simplify right side
    20,385x = 1,051,899,489
  5. Step 5: Solve for x
    x = 1,051,899,489/20,385
  6. Step 6: Final answer
    x = 51,601.64

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.