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Finding the Third Proportional to 4,609,638 and 9,957,847.50

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Solution

The third proportional to 4,609,638 and 9,957,847.50 is: 21,511,174.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,609,638 : 9,957,847.50 = 9,957,847.50 : x
  2. Step 2: Convert to fraction form
    4,609,638/9,957,847.50 = 9,957,847.50/x
  3. Step 3: Cross multiply
    4,609,638x = 9,957,847.50 × 9,957,847.50
  4. Step 4: Simplify right side
    4,609,638x = 99,158,726,833,256.25
  5. Step 5: Solve for x
    x = 99,158,726,833,256.25/4,609,638
  6. Step 6: Final answer
    x = 21,511,174.38

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.