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Finding the Third Proportional to 334.75 and 499.19

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Solution

The third proportional to 334.75 and 499.19 is: 744.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    334.75 : 499.19 = 499.19 : x
  2. Step 2: Convert to fraction form
    334.75/499.19 = 499.19/x
  3. Step 3: Cross multiply
    334.75x = 499.19 × 499.19
  4. Step 4: Simplify right side
    334.75x = 249,188.16
  5. Step 5: Solve for x
    x = 249,188.16/334.75
  6. Step 6: Final answer
    x = 744.40

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.