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Finding the Third Proportional to 577.38 and 1,181.38

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Solution

The third proportional to 577.38 and 1,181.38 is: 2,417.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    577.38 : 1,181.38 = 1,181.38 : x
  2. Step 2: Convert to fraction form
    577.38/1,181.38 = 1,181.38/x
  3. Step 3: Cross multiply
    577.38x = 1,181.38 × 1,181.38
  4. Step 4: Simplify right side
    577.38x = 1,395,646.89
  5. Step 5: Solve for x
    x = 1,395,646.89/577.38
  6. Step 6: Final answer
    x = 2,417.23

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.