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Finding the Third Proportional to 90,313.50 and 134,163

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Solution

The third proportional to 90,313.50 and 134,163 is: 199,302.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,313.50 : 134,163 = 134,163 : x
  2. Step 2: Convert to fraction form
    90,313.50/134,163 = 134,163/x
  3. Step 3: Cross multiply
    90,313.50x = 134,163 × 134,163
  4. Step 4: Simplify right side
    90,313.50x = 17,999,710,569
  5. Step 5: Solve for x
    x = 17,999,710,569/90,313.50
  6. Step 6: Final answer
    x = 199,302.55

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.