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Finding the Third Proportional to 91,435.50 and 122,299.88

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Solution

The third proportional to 91,435.50 and 122,299.88 is: 163,582.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,435.50 : 122,299.88 = 122,299.88 : x
  2. Step 2: Convert to fraction form
    91,435.50/122,299.88 = 122,299.88/x
  3. Step 3: Cross multiply
    91,435.50x = 122,299.88 × 122,299.88
  4. Step 4: Simplify right side
    91,435.50x = 14,957,259,425.02
  5. Step 5: Solve for x
    x = 14,957,259,425.02/91,435.50
  6. Step 6: Final answer
    x = 163,582.63

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Why These Related Problems?

These problems maintain the same ratio (1.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.