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Finding the Third Proportional to 39,762 and 58,450

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Solution

The third proportional to 39,762 and 58,450 is: 85,921.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,762 : 58,450 = 58,450 : x
  2. Step 2: Convert to fraction form
    39,762/58,450 = 58,450/x
  3. Step 3: Cross multiply
    39,762x = 58,450 × 58,450
  4. Step 4: Simplify right side
    39,762x = 3,416,402,500
  5. Step 5: Solve for x
    x = 3,416,402,500/39,762
  6. Step 6: Final answer
    x = 85,921.29

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.