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Finding the Third Proportional to 470.81 and 1,144.97

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Solution

The third proportional to 470.81 and 1,144.97 is: 2,784.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    470.81 : 1,144.97 = 1,144.97 : x
  2. Step 2: Convert to fraction form
    470.81/1,144.97 = 1,144.97/x
  3. Step 3: Cross multiply
    470.81x = 1,144.97 × 1,144.97
  4. Step 4: Simplify right side
    470.81x = 1,310,953.44
  5. Step 5: Solve for x
    x = 1,310,953.44/470.81
  6. Step 6: Final answer
    x = 2,784.45

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Why These Related Problems?

These problems maintain the same ratio (2.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.