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Finding the Third Proportional to 246.50 and 358.75

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Solution

The third proportional to 246.50 and 358.75 is: 522.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    246.50 : 358.75 = 358.75 : x
  2. Step 2: Convert to fraction form
    246.50/358.75 = 358.75/x
  3. Step 3: Cross multiply
    246.50x = 358.75 × 358.75
  4. Step 4: Simplify right side
    246.50x = 128,701.56
  5. Step 5: Solve for x
    x = 128,701.56/246.50
  6. Step 6: Final answer
    x = 522.12

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.