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Finding the Third Proportional to 250.75 and 530.88

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Solution

The third proportional to 250.75 and 530.88 is: 1,123.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    250.75 : 530.88 = 530.88 : x
  2. Step 2: Convert to fraction form
    250.75/530.88 = 530.88/x
  3. Step 3: Cross multiply
    250.75x = 530.88 × 530.88
  4. Step 4: Simplify right side
    250.75x = 281,828.27
  5. Step 5: Solve for x
    x = 281,828.27/250.75
  6. Step 6: Final answer
    x = 1,123.94

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.