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Finding the Third Proportional to 336.88 and 499.69

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Solution

The third proportional to 336.88 and 499.69 is: 741.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    336.88 : 499.69 = 499.69 : x
  2. Step 2: Convert to fraction form
    336.88/499.69 = 499.69/x
  3. Step 3: Cross multiply
    336.88x = 499.69 × 499.69
  4. Step 4: Simplify right side
    336.88x = 249,687.60
  5. Step 5: Solve for x
    x = 249,687.60/336.88
  6. Step 6: Final answer
    x = 741.19

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.