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Finding the Third Proportional to 245,559.09 and 346,605.33

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Solution

The third proportional to 245,559.09 and 346,605.33 is: 489,231.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,559.09 : 346,605.33 = 346,605.33 : x
  2. Step 2: Convert to fraction form
    245,559.09/346,605.33 = 346,605.33/x
  3. Step 3: Cross multiply
    245,559.09x = 346,605.33 × 346,605.33
  4. Step 4: Simplify right side
    245,559.09x = 120,135,253,484.64
  5. Step 5: Solve for x
    x = 120,135,253,484.64/245,559.09
  6. Step 6: Final answer
    x = 489,231.54

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.