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Finding the Third Proportional to 58,408.50 and 91,505

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Solution

The third proportional to 58,408.50 and 91,505 is: 143,355.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,408.50 : 91,505 = 91,505 : x
  2. Step 2: Convert to fraction form
    58,408.50/91,505 = 91,505/x
  3. Step 3: Cross multiply
    58,408.50x = 91,505 × 91,505
  4. Step 4: Simplify right side
    58,408.50x = 8,373,165,025
  5. Step 5: Solve for x
    x = 8,373,165,025/58,408.50
  6. Step 6: Final answer
    x = 143,355.25

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.