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Finding the Third Proportional to 277.50 and 601.88

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Solution

The third proportional to 277.50 and 601.88 is: 1,305.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    277.50 : 601.88 = 601.88 : x
  2. Step 2: Convert to fraction form
    277.50/601.88 = 601.88/x
  3. Step 3: Cross multiply
    277.50x = 601.88 × 601.88
  4. Step 4: Simplify right side
    277.50x = 362,253.52
  5. Step 5: Solve for x
    x = 362,253.52/277.50
  6. Step 6: Final answer
    x = 1,305.42

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.