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Finding the Third Proportional to 92,879.16 and 139,523.77

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Solution

The third proportional to 92,879.16 and 139,523.77 is: 209,593.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,879.16 : 139,523.77 = 139,523.77 : x
  2. Step 2: Convert to fraction form
    92,879.16/139,523.77 = 139,523.77/x
  3. Step 3: Cross multiply
    92,879.16x = 139,523.77 × 139,523.77
  4. Step 4: Simplify right side
    92,879.16x = 19,466,881,174.18
  5. Step 5: Solve for x
    x = 19,466,881,174.18/92,879.16
  6. Step 6: Final answer
    x = 209,593.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.