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Finding the Third Proportional to 4,043,640 and 8,795,824

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Solution

The third proportional to 4,043,640 and 8,795,824 is: 19,132,890.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,043,640 : 8,795,824 = 8,795,824 : x
  2. Step 2: Convert to fraction form
    4,043,640/8,795,824 = 8,795,824/x
  3. Step 3: Cross multiply
    4,043,640x = 8,795,824 × 8,795,824
  4. Step 4: Simplify right side
    4,043,640x = 77,366,519,838,976
  5. Step 5: Solve for x
    x = 77,366,519,838,976/4,043,640
  6. Step 6: Final answer
    x = 19,132,890.13

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.