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Finding the Third Proportional to 271,423.13 and 399,235.50

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Solution

The third proportional to 271,423.13 and 399,235.50 is: 587,234.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,423.13 : 399,235.50 = 399,235.50 : x
  2. Step 2: Convert to fraction form
    271,423.13/399,235.50 = 399,235.50/x
  3. Step 3: Cross multiply
    271,423.13x = 399,235.50 × 399,235.50
  4. Step 4: Simplify right side
    271,423.13x = 159,388,984,460.25
  5. Step 5: Solve for x
    x = 159,388,984,460.25/271,423.13
  6. Step 6: Final answer
    x = 587,234.36

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.