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Finding the Third Proportional to 4,172,792 and 8,896,732

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Solution

The third proportional to 4,172,792 and 8,896,732 is: 18,968,556.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,172,792 : 8,896,732 = 8,896,732 : x
  2. Step 2: Convert to fraction form
    4,172,792/8,896,732 = 8,896,732/x
  3. Step 3: Cross multiply
    4,172,792x = 8,896,732 × 8,896,732
  4. Step 4: Simplify right side
    4,172,792x = 79,151,840,279,824
  5. Step 5: Solve for x
    x = 79,151,840,279,824/4,172,792
  6. Step 6: Final answer
    x = 18,968,556.37

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.