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Finding the Third Proportional to 275.06 and 590.63

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Solution

The third proportional to 275.06 and 590.63 is: 1,268.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    275.06 : 590.63 = 590.63 : x
  2. Step 2: Convert to fraction form
    275.06/590.63 = 590.63/x
  3. Step 3: Cross multiply
    275.06x = 590.63 × 590.63
  4. Step 4: Simplify right side
    275.06x = 348,837.89
  5. Step 5: Solve for x
    x = 348,837.89/275.06
  6. Step 6: Final answer
    x = 1,268.21

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.