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Finding the Third Proportional to 392.50 and 595.75

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Solution

The third proportional to 392.50 and 595.75 is: 904.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    392.50 : 595.75 = 595.75 : x
  2. Step 2: Convert to fraction form
    392.50/595.75 = 595.75/x
  3. Step 3: Cross multiply
    392.50x = 595.75 × 595.75
  4. Step 4: Simplify right side
    392.50x = 354,918.06
  5. Step 5: Solve for x
    x = 354,918.06/392.50
  6. Step 6: Final answer
    x = 904.25

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.