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Finding the Third Proportional to 284.50 and 608

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Solution

The third proportional to 284.50 and 608 is: 1,299.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    284.50 : 608 = 608 : x
  2. Step 2: Convert to fraction form
    284.50/608 = 608/x
  3. Step 3: Cross multiply
    284.50x = 608 × 608
  4. Step 4: Simplify right side
    284.50x = 369,664
  5. Step 5: Solve for x
    x = 369,664/284.50
  6. Step 6: Final answer
    x = 1,299.35

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.