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Finding the Third Proportional to 590.63 and 903.38

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Solution

The third proportional to 590.63 and 903.38 is: 1,381.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    590.63 : 903.38 = 903.38 : x
  2. Step 2: Convert to fraction form
    590.63/903.38 = 903.38/x
  3. Step 3: Cross multiply
    590.63x = 903.38 × 903.38
  4. Step 4: Simplify right side
    590.63x = 816,086.39
  5. Step 5: Solve for x
    x = 816,086.39/590.63
  6. Step 6: Final answer
    x = 1,381.73

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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.