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Finding the Third Proportional to 8,172,043.88 and 17,938,205.44

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Solution

The third proportional to 8,172,043.88 and 17,938,205.44 is: 39,375,610.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,172,043.88 : 17,938,205.44 = 17,938,205.44 : x
  2. Step 2: Convert to fraction form
    8,172,043.88/17,938,205.44 = 17,938,205.44/x
  3. Step 3: Cross multiply
    8,172,043.88x = 17,938,205.44 × 17,938,205.44
  4. Step 4: Simplify right side
    8,172,043.88x = 321,779,214,317,954.56
  5. Step 5: Solve for x
    x = 321,779,214,317,954.56/8,172,043.88
  6. Step 6: Final answer
    x = 39,375,610.22

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.