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Finding the Third Proportional to 492.50 and 795.75

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Solution

The third proportional to 492.50 and 795.75 is: 1,285.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    492.50 : 795.75 = 795.75 : x
  2. Step 2: Convert to fraction form
    492.50/795.75 = 795.75/x
  3. Step 3: Cross multiply
    492.50x = 795.75 × 795.75
  4. Step 4: Simplify right side
    492.50x = 633,218.06
  5. Step 5: Solve for x
    x = 633,218.06/492.50
  6. Step 6: Final answer
    x = 1,285.72

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Why These Related Problems?

These problems maintain the same ratio (1.62) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.