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Finding the Third Proportional to 92,505 and 122,980.50

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Solution

The third proportional to 92,505 and 122,980.50 is: 163,496.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,505 : 122,980.50 = 122,980.50 : x
  2. Step 2: Convert to fraction form
    92,505/122,980.50 = 122,980.50/x
  3. Step 3: Cross multiply
    92,505x = 122,980.50 × 122,980.50
  4. Step 4: Simplify right side
    92,505x = 15,124,203,380.25
  5. Step 5: Solve for x
    x = 15,124,203,380.25/92,505
  6. Step 6: Final answer
    x = 163,496.06

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Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.