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Finding the Third Proportional to 750.38 and 1,641.38

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Solution

The third proportional to 750.38 and 1,641.38 is: 3,590.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    750.38 : 1,641.38 = 1,641.38 : x
  2. Step 2: Convert to fraction form
    750.38/1,641.38 = 1,641.38/x
  3. Step 3: Cross multiply
    750.38x = 1,641.38 × 1,641.38
  4. Step 4: Simplify right side
    750.38x = 2,694,111.89
  5. Step 5: Solve for x
    x = 2,694,111.89/750.38
  6. Step 6: Final answer
    x = 3,590.35

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.