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Finding the Third Proportional to 487.69 and 1,044.84

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Solution

The third proportional to 487.69 and 1,044.84 is: 2,238.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    487.69 : 1,044.84 = 1,044.84 : x
  2. Step 2: Convert to fraction form
    487.69/1,044.84 = 1,044.84/x
  3. Step 3: Cross multiply
    487.69x = 1,044.84 × 1,044.84
  4. Step 4: Simplify right side
    487.69x = 1,091,698.46
  5. Step 5: Solve for x
    x = 1,091,698.46/487.69
  6. Step 6: Final answer
    x = 2,238.52

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.