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Finding the Third Proportional to 641,193.75 and 1,000,608.75

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Solution

The third proportional to 641,193.75 and 1,000,608.75 is: 1,561,490.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,193.75 : 1,000,608.75 = 1,000,608.75 : x
  2. Step 2: Convert to fraction form
    641,193.75/1,000,608.75 = 1,000,608.75/x
  3. Step 3: Cross multiply
    641,193.75x = 1,000,608.75 × 1,000,608.75
  4. Step 4: Simplify right side
    641,193.75x = 1,001,217,870,576.56
  5. Step 5: Solve for x
    x = 1,001,217,870,576.56/641,193.75
  6. Step 6: Final answer
    x = 1,561,490.38

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.