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Finding the Third Proportional to 208,437.75 and 455,010.75

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Solution

The third proportional to 208,437.75 and 455,010.75 is: 993,269.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,437.75 : 455,010.75 = 455,010.75 : x
  2. Step 2: Convert to fraction form
    208,437.75/455,010.75 = 455,010.75/x
  3. Step 3: Cross multiply
    208,437.75x = 455,010.75 × 455,010.75
  4. Step 4: Simplify right side
    208,437.75x = 207,034,782,615.56
  5. Step 5: Solve for x
    x = 207,034,782,615.56/208,437.75
  6. Step 6: Final answer
    x = 993,269.13

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.