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Finding the Third Proportional to 3,715,999.50 and 5,430,609

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Solution

The third proportional to 3,715,999.50 and 5,430,609 is: 7,936,361.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,715,999.50 : 5,430,609 = 5,430,609 : x
  2. Step 2: Convert to fraction form
    3,715,999.50/5,430,609 = 5,430,609/x
  3. Step 3: Cross multiply
    3,715,999.50x = 5,430,609 × 5,430,609
  4. Step 4: Simplify right side
    3,715,999.50x = 29,491,514,110,881
  5. Step 5: Solve for x
    x = 29,491,514,110,881/3,715,999.50
  6. Step 6: Final answer
    x = 7,936,361.16

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.