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Finding the Third Proportional to 70,659.75 and 155,328.75

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Solution

The third proportional to 70,659.75 and 155,328.75 is: 341,453.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,659.75 : 155,328.75 = 155,328.75 : x
  2. Step 2: Convert to fraction form
    70,659.75/155,328.75 = 155,328.75/x
  3. Step 3: Cross multiply
    70,659.75x = 155,328.75 × 155,328.75
  4. Step 4: Simplify right side
    70,659.75x = 24,127,020,576.56
  5. Step 5: Solve for x
    x = 24,127,020,576.56/70,659.75
  6. Step 6: Final answer
    x = 341,453.52

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.