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Finding the Third Proportional to 234,718 and 353,200

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Solution

The third proportional to 234,718 and 353,200 is: 531,489.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,718 : 353,200 = 353,200 : x
  2. Step 2: Convert to fraction form
    234,718/353,200 = 353,200/x
  3. Step 3: Cross multiply
    234,718x = 353,200 × 353,200
  4. Step 4: Simplify right side
    234,718x = 124,750,240,000
  5. Step 5: Solve for x
    x = 124,750,240,000/234,718
  6. Step 6: Final answer
    x = 531,489.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.