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Finding the Third Proportional to 1,794,721 and 3,938,157

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Solution

The third proportional to 1,794,721 and 3,938,157 is: 8,641,499.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,794,721 : 3,938,157 = 3,938,157 : x
  2. Step 2: Convert to fraction form
    1,794,721/3,938,157 = 3,938,157/x
  3. Step 3: Cross multiply
    1,794,721x = 3,938,157 × 3,938,157
  4. Step 4: Simplify right side
    1,794,721x = 15,509,080,556,649
  5. Step 5: Solve for x
    x = 15,509,080,556,649/1,794,721
  6. Step 6: Final answer
    x = 8,641,499.46

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.