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Finding the Third Proportional to 328,720.50 and 707,375.25

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Solution

The third proportional to 328,720.50 and 707,375.25 is: 1,522,204.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,720.50 : 707,375.25 = 707,375.25 : x
  2. Step 2: Convert to fraction form
    328,720.50/707,375.25 = 707,375.25/x
  3. Step 3: Cross multiply
    328,720.50x = 707,375.25 × 707,375.25
  4. Step 4: Simplify right side
    328,720.50x = 500,379,744,312.56
  5. Step 5: Solve for x
    x = 500,379,744,312.56/328,720.50
  6. Step 6: Final answer
    x = 1,522,204.26

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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.