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Finding the Third Proportional to 439 and 948.25

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Solution

The third proportional to 439 and 948.25 is: 2,048.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    439 : 948.25 = 948.25 : x
  2. Step 2: Convert to fraction form
    439/948.25 = 948.25/x
  3. Step 3: Cross multiply
    439x = 948.25 × 948.25
  4. Step 4: Simplify right side
    439x = 899,178.06
  5. Step 5: Solve for x
    x = 899,178.06/439
  6. Step 6: Final answer
    x = 2,048.24

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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.