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Finding the Third Proportional to 1,776.94 and 3,812.06

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Solution

The third proportional to 1,776.94 and 3,812.06 is: 8,178.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,776.94 : 3,812.06 = 3,812.06 : x
  2. Step 2: Convert to fraction form
    1,776.94/3,812.06 = 3,812.06/x
  3. Step 3: Cross multiply
    1,776.94x = 3,812.06 × 3,812.06
  4. Step 4: Simplify right side
    1,776.94x = 14,531,820.50
  5. Step 5: Solve for x
    x = 14,531,820.50/1,776.94
  6. Step 6: Final answer
    x = 8,178.01

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.