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Finding the Third Proportional to 19,932 and 28,965

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Solution

The third proportional to 19,932 and 28,965 is: 42,091.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,932 : 28,965 = 28,965 : x
  2. Step 2: Convert to fraction form
    19,932/28,965 = 28,965/x
  3. Step 3: Cross multiply
    19,932x = 28,965 × 28,965
  4. Step 4: Simplify right side
    19,932x = 838,971,225
  5. Step 5: Solve for x
    x = 838,971,225/19,932
  6. Step 6: Final answer
    x = 42,091.67

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Why These Related Problems?

These problems maintain the same ratio (1.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.