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Finding the Third Proportional to 4,151,607 and 8,985,555

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Solution

The third proportional to 4,151,607 and 8,985,555 is: 19,447,938.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,151,607 : 8,985,555 = 8,985,555 : x
  2. Step 2: Convert to fraction form
    4,151,607/8,985,555 = 8,985,555/x
  3. Step 3: Cross multiply
    4,151,607x = 8,985,555 × 8,985,555
  4. Step 4: Simplify right side
    4,151,607x = 80,740,198,658,025
  5. Step 5: Solve for x
    x = 80,740,198,658,025/4,151,607
  6. Step 6: Final answer
    x = 19,447,938.75

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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.