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Finding the Third Proportional to 590.41 and 1,290.94

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Solution

The third proportional to 590.41 and 1,290.94 is: 2,822.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    590.41 : 1,290.94 = 1,290.94 : x
  2. Step 2: Convert to fraction form
    590.41/1,290.94 = 1,290.94/x
  3. Step 3: Cross multiply
    590.41x = 1,290.94 × 1,290.94
  4. Step 4: Simplify right side
    590.41x = 1,666,519.63
  5. Step 5: Solve for x
    x = 1,666,519.63/590.41
  6. Step 6: Final answer
    x = 2,822.63

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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.