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Finding the Third Proportional to 783.94 and 1,191.94

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Solution

The third proportional to 783.94 and 1,191.94 is: 1,812.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    783.94 : 1,191.94 = 1,191.94 : x
  2. Step 2: Convert to fraction form
    783.94/1,191.94 = 1,191.94/x
  3. Step 3: Cross multiply
    783.94x = 1,191.94 × 1,191.94
  4. Step 4: Simplify right side
    783.94x = 1,420,715.00
  5. Step 5: Solve for x
    x = 1,420,715.00/783.94
  6. Step 6: Final answer
    x = 1,812.28

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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.