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Finding the Third Proportional to 257,590.75 and 559,536.75

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Solution

The third proportional to 257,590.75 and 559,536.75 is: 1,215,421.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,590.75 : 559,536.75 = 559,536.75 : x
  2. Step 2: Convert to fraction form
    257,590.75/559,536.75 = 559,536.75/x
  3. Step 3: Cross multiply
    257,590.75x = 559,536.75 × 559,536.75
  4. Step 4: Simplify right side
    257,590.75x = 313,081,374,600.56
  5. Step 5: Solve for x
    x = 313,081,374,600.56/257,590.75
  6. Step 6: Final answer
    x = 1,215,421.65

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These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.