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Finding the Third Proportional to 459.50 and 499

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Solution

The third proportional to 459.50 and 499 is: 541.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    459.50 : 499 = 499 : x
  2. Step 2: Convert to fraction form
    459.50/499 = 499/x
  3. Step 3: Cross multiply
    459.50x = 499 × 499
  4. Step 4: Simplify right side
    459.50x = 249,001
  5. Step 5: Solve for x
    x = 249,001/459.50
  6. Step 6: Final answer
    x = 541.90

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Why These Related Problems?

These problems maintain the same ratio (1.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.