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Finding the Third Proportional to 704.50 and 805

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Solution

The third proportional to 704.50 and 805 is: 919.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    704.50 : 805 = 805 : x
  2. Step 2: Convert to fraction form
    704.50/805 = 805/x
  3. Step 3: Cross multiply
    704.50x = 805 × 805
  4. Step 4: Simplify right side
    704.50x = 648,025
  5. Step 5: Solve for x
    x = 648,025/704.50
  6. Step 6: Final answer
    x = 919.84

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These problems maintain the same ratio (1.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.