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Finding the Third Proportional to 486.95 and 1,050.79

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Solution

The third proportional to 486.95 and 1,050.79 is: 2,267.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    486.95 : 1,050.79 = 1,050.79 : x
  2. Step 2: Convert to fraction form
    486.95/1,050.79 = 1,050.79/x
  3. Step 3: Cross multiply
    486.95x = 1,050.79 × 1,050.79
  4. Step 4: Simplify right side
    486.95x = 1,104,149.44
  5. Step 5: Solve for x
    x = 1,104,149.44/486.95
  6. Step 6: Final answer
    x = 2,267.48

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.