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Finding the Third Proportional to 230,520 and 500,400

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Solution

The third proportional to 230,520 and 500,400 is: 1,086,240.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,520 : 500,400 = 500,400 : x
  2. Step 2: Convert to fraction form
    230,520/500,400 = 500,400/x
  3. Step 3: Cross multiply
    230,520x = 500,400 × 500,400
  4. Step 4: Simplify right side
    230,520x = 250,400,160,000
  5. Step 5: Solve for x
    x = 250,400,160,000/230,520
  6. Step 6: Final answer
    x = 1,086,240.50

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.