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Finding the Third Proportional to 317,131.50 and 434,873

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Solution

The third proportional to 317,131.50 and 434,873 is: 596,328.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,131.50 : 434,873 = 434,873 : x
  2. Step 2: Convert to fraction form
    317,131.50/434,873 = 434,873/x
  3. Step 3: Cross multiply
    317,131.50x = 434,873 × 434,873
  4. Step 4: Simplify right side
    317,131.50x = 189,114,526,129
  5. Step 5: Solve for x
    x = 189,114,526,129/317,131.50
  6. Step 6: Final answer
    x = 596,328.42

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.