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Finding the Third Proportional to 124,740.75 and 195,455.81

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Solution

The third proportional to 124,740.75 and 195,455.81 is: 306,258.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,740.75 : 195,455.81 = 195,455.81 : x
  2. Step 2: Convert to fraction form
    124,740.75/195,455.81 = 195,455.81/x
  3. Step 3: Cross multiply
    124,740.75x = 195,455.81 × 195,455.81
  4. Step 4: Simplify right side
    124,740.75x = 38,202,974,640.04
  5. Step 5: Solve for x
    x = 38,202,974,640.04/124,740.75
  6. Step 6: Final answer
    x = 306,258.98

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.