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Finding the Third Proportional to 84,890.50 and 114,879.50

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Solution

The third proportional to 84,890.50 and 114,879.50 is: 155,462.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,890.50 : 114,879.50 = 114,879.50 : x
  2. Step 2: Convert to fraction form
    84,890.50/114,879.50 = 114,879.50/x
  3. Step 3: Cross multiply
    84,890.50x = 114,879.50 × 114,879.50
  4. Step 4: Simplify right side
    84,890.50x = 13,197,299,520.25
  5. Step 5: Solve for x
    x = 13,197,299,520.25/84,890.50
  6. Step 6: Final answer
    x = 155,462.62

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Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.