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Finding the Third Proportional to 201,271.50 and 282,079.13

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Solution

The third proportional to 201,271.50 and 282,079.13 is: 395,329.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,271.50 : 282,079.13 = 282,079.13 : x
  2. Step 2: Convert to fraction form
    201,271.50/282,079.13 = 282,079.13/x
  3. Step 3: Cross multiply
    201,271.50x = 282,079.13 × 282,079.13
  4. Step 4: Simplify right side
    201,271.50x = 79,568,632,760.77
  5. Step 5: Solve for x
    x = 79,568,632,760.77/201,271.50
  6. Step 6: Final answer
    x = 395,329.85

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.