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Finding the Third Proportional to 8,638,056 and 19,997,604

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Solution

The third proportional to 8,638,056 and 19,997,604 is: 46,295,620.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,638,056 : 19,997,604 = 19,997,604 : x
  2. Step 2: Convert to fraction form
    8,638,056/19,997,604 = 19,997,604/x
  3. Step 3: Cross multiply
    8,638,056x = 19,997,604 × 19,997,604
  4. Step 4: Simplify right side
    8,638,056x = 399,904,165,740,816
  5. Step 5: Solve for x
    x = 399,904,165,740,816/8,638,056
  6. Step 6: Final answer
    x = 46,295,620.88

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Why These Related Problems?

These problems maintain the same ratio (2.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.