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Finding the Third Proportional to 74,541.75 and 159,735

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Solution

The third proportional to 74,541.75 and 159,735 is: 342,295.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,541.75 : 159,735 = 159,735 : x
  2. Step 2: Convert to fraction form
    74,541.75/159,735 = 159,735/x
  3. Step 3: Cross multiply
    74,541.75x = 159,735 × 159,735
  4. Step 4: Simplify right side
    74,541.75x = 25,515,270,225
  5. Step 5: Solve for x
    x = 25,515,270,225/74,541.75
  6. Step 6: Final answer
    x = 342,295.03

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.