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Finding the Third Proportional to 783.75 and 1,449.94

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Solution

The third proportional to 783.75 and 1,449.94 is: 2,682.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    783.75 : 1,449.94 = 1,449.94 : x
  2. Step 2: Convert to fraction form
    783.75/1,449.94 = 1,449.94/x
  3. Step 3: Cross multiply
    783.75x = 1,449.94 × 1,449.94
  4. Step 4: Simplify right side
    783.75x = 2,102,318.75
  5. Step 5: Solve for x
    x = 2,102,318.75/783.75
  6. Step 6: Final answer
    x = 2,682.38

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Why These Related Problems?

These problems maintain the same ratio (1.85) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.