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Finding the Third Proportional to 589.63 and 903.25

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Solution

The third proportional to 589.63 and 903.25 is: 1,383.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    589.63 : 903.25 = 903.25 : x
  2. Step 2: Convert to fraction form
    589.63/903.25 = 903.25/x
  3. Step 3: Cross multiply
    589.63x = 903.25 × 903.25
  4. Step 4: Simplify right side
    589.63x = 815,860.56
  5. Step 5: Solve for x
    x = 815,860.56/589.63
  6. Step 6: Final answer
    x = 1,383.69

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.