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Finding the Third Proportional to 152.30 and 225.07

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Solution

The third proportional to 152.30 and 225.07 is: 332.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    152.30 : 225.07 = 225.07 : x
  2. Step 2: Convert to fraction form
    152.30/225.07 = 225.07/x
  3. Step 3: Cross multiply
    152.30x = 225.07 × 225.07
  4. Step 4: Simplify right side
    152.30x = 50,656.65
  5. Step 5: Solve for x
    x = 50,656.65/152.30
  6. Step 6: Final answer
    x = 332.62

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.