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Finding the Third Proportional to 145.75 and 335.88

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Solution

The third proportional to 145.75 and 335.88 is: 774.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    145.75 : 335.88 = 335.88 : x
  2. Step 2: Convert to fraction form
    145.75/335.88 = 335.88/x
  3. Step 3: Cross multiply
    145.75x = 335.88 × 335.88
  4. Step 4: Simplify right side
    145.75x = 112,812.02
  5. Step 5: Solve for x
    x = 112,812.02/145.75
  6. Step 6: Final answer
    x = 774.01

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Why These Related Problems?

These problems maintain the same ratio (2.30) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.