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Finding the Third Proportional to 436.88 and 1,164.19

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Solution

The third proportional to 436.88 and 1,164.19 is: 3,102.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    436.88 : 1,164.19 = 1,164.19 : x
  2. Step 2: Convert to fraction form
    436.88/1,164.19 = 1,164.19/x
  3. Step 3: Cross multiply
    436.88x = 1,164.19 × 1,164.19
  4. Step 4: Simplify right side
    436.88x = 1,355,332.54
  5. Step 5: Solve for x
    x = 1,355,332.54/436.88
  6. Step 6: Final answer
    x = 3,102.33

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Why These Related Problems?

These problems maintain the same ratio (2.66) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.