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Finding the Third Proportional to 39,806 and 85,828

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Solution

The third proportional to 39,806 and 85,828 is: 185,058.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,806 : 85,828 = 85,828 : x
  2. Step 2: Convert to fraction form
    39,806/85,828 = 85,828/x
  3. Step 3: Cross multiply
    39,806x = 85,828 × 85,828
  4. Step 4: Simplify right side
    39,806x = 7,366,445,584
  5. Step 5: Solve for x
    x = 7,366,445,584/39,806
  6. Step 6: Final answer
    x = 185,058.67

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These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.