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Finding the Third Proportional to 573.75 and 862.31

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Solution

The third proportional to 573.75 and 862.31 is: 1,296.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    573.75 : 862.31 = 862.31 : x
  2. Step 2: Convert to fraction form
    573.75/862.31 = 862.31/x
  3. Step 3: Cross multiply
    573.75x = 862.31 × 862.31
  4. Step 4: Simplify right side
    573.75x = 743,582.85
  5. Step 5: Solve for x
    x = 743,582.85/573.75
  6. Step 6: Final answer
    x = 1,296.00

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.