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Finding the Third Proportional to 170,040.75 and 254,172.75

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Solution

The third proportional to 170,040.75 and 254,172.75 is: 379,931.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,040.75 : 254,172.75 = 254,172.75 : x
  2. Step 2: Convert to fraction form
    170,040.75/254,172.75 = 254,172.75/x
  3. Step 3: Cross multiply
    170,040.75x = 254,172.75 × 254,172.75
  4. Step 4: Simplify right side
    170,040.75x = 64,603,786,842.56
  5. Step 5: Solve for x
    x = 64,603,786,842.56/170,040.75
  6. Step 6: Final answer
    x = 379,931.20

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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.