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Finding the Third Proportional to 150.40 and 325.48

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Solution

The third proportional to 150.40 and 325.48 is: 704.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    150.40 : 325.48 = 325.48 : x
  2. Step 2: Convert to fraction form
    150.40/325.48 = 325.48/x
  3. Step 3: Cross multiply
    150.40x = 325.48 × 325.48
  4. Step 4: Simplify right side
    150.40x = 105,934.99
  5. Step 5: Solve for x
    x = 105,934.99/150.40
  6. Step 6: Final answer
    x = 704.36

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.