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Finding the Third Proportional to 333.75 and 459

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Solution

The third proportional to 333.75 and 459 is: 631.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    333.75 : 459 = 459 : x
  2. Step 2: Convert to fraction form
    333.75/459 = 459/x
  3. Step 3: Cross multiply
    333.75x = 459 × 459
  4. Step 4: Simplify right side
    333.75x = 210,681
  5. Step 5: Solve for x
    x = 210,681/333.75
  6. Step 6: Final answer
    x = 631.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.