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Finding the Third Proportional to 1,556,381 and 3,408,007

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Solution

The third proportional to 1,556,381 and 3,408,007 is: 7,462,511.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,556,381 : 3,408,007 = 3,408,007 : x
  2. Step 2: Convert to fraction form
    1,556,381/3,408,007 = 3,408,007/x
  3. Step 3: Cross multiply
    1,556,381x = 3,408,007 × 3,408,007
  4. Step 4: Simplify right side
    1,556,381x = 11,614,511,712,049
  5. Step 5: Solve for x
    x = 11,614,511,712,049/1,556,381
  6. Step 6: Final answer
    x = 7,462,511.89

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