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Finding the Third Proportional to 592.31 and 918.84

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Solution

The third proportional to 592.31 and 918.84 is: 1,425.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    592.31 : 918.84 = 918.84 : x
  2. Step 2: Convert to fraction form
    592.31/918.84 = 918.84/x
  3. Step 3: Cross multiply
    592.31x = 918.84 × 918.84
  4. Step 4: Simplify right side
    592.31x = 844,273.84
  5. Step 5: Solve for x
    x = 844,273.84/592.31
  6. Step 6: Final answer
    x = 1,425.39

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.