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Finding the Third Proportional to 70,859.50 and 155,541.38

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Solution

The third proportional to 70,859.50 and 155,541.38 is: 341,423.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,859.50 : 155,541.38 = 155,541.38 : x
  2. Step 2: Convert to fraction form
    70,859.50/155,541.38 = 155,541.38/x
  3. Step 3: Cross multiply
    70,859.50x = 155,541.38 × 155,541.38
  4. Step 4: Simplify right side
    70,859.50x = 24,193,119,336.89
  5. Step 5: Solve for x
    x = 24,193,119,336.89/70,859.50
  6. Step 6: Final answer
    x = 341,423.79

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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.