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Finding the Third Proportional to 591.13 and 907.25

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Solution

The third proportional to 591.13 and 907.25 is: 1,392.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    591.13 : 907.25 = 907.25 : x
  2. Step 2: Convert to fraction form
    591.13/907.25 = 907.25/x
  3. Step 3: Cross multiply
    591.13x = 907.25 × 907.25
  4. Step 4: Simplify right side
    591.13x = 823,102.56
  5. Step 5: Solve for x
    x = 823,102.56/591.13
  6. Step 6: Final answer
    x = 1,392.43

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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.