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Finding the Third Proportional to 91,242.75 and 122,049.75

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Solution

The third proportional to 91,242.75 and 122,049.75 is: 163,258.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,242.75 : 122,049.75 = 122,049.75 : x
  2. Step 2: Convert to fraction form
    91,242.75/122,049.75 = 122,049.75/x
  3. Step 3: Cross multiply
    91,242.75x = 122,049.75 × 122,049.75
  4. Step 4: Simplify right side
    91,242.75x = 14,896,141,475.06
  5. Step 5: Solve for x
    x = 14,896,141,475.06/91,242.75
  6. Step 6: Final answer
    x = 163,258.36

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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.