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Finding the Third Proportional to 8,372,520 and 18,083,376

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Solution

The third proportional to 8,372,520 and 18,083,376 is: 39,057,355.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,372,520 : 18,083,376 = 18,083,376 : x
  2. Step 2: Convert to fraction form
    8,372,520/18,083,376 = 18,083,376/x
  3. Step 3: Cross multiply
    8,372,520x = 18,083,376 × 18,083,376
  4. Step 4: Simplify right side
    8,372,520x = 327,008,487,557,376
  5. Step 5: Solve for x
    x = 327,008,487,557,376/8,372,520
  6. Step 6: Final answer
    x = 39,057,355.20

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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.