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Finding the Third Proportional to 288 and 459.50

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Solution

The third proportional to 288 and 459.50 is: 733.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    288 : 459.50 = 459.50 : x
  2. Step 2: Convert to fraction form
    288/459.50 = 459.50/x
  3. Step 3: Cross multiply
    288x = 459.50 × 459.50
  4. Step 4: Simplify right side
    288x = 211,140.25
  5. Step 5: Solve for x
    x = 211,140.25/288
  6. Step 6: Final answer
    x = 733.13

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Why These Related Problems?

These problems maintain the same ratio (1.60) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.