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Finding the Third Proportional to 1,307,726 and 2,815,837

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Solution

The third proportional to 1,307,726 and 2,815,837 is: 6,063,149.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,307,726 : 2,815,837 = 2,815,837 : x
  2. Step 2: Convert to fraction form
    1,307,726/2,815,837 = 2,815,837/x
  3. Step 3: Cross multiply
    1,307,726x = 2,815,837 × 2,815,837
  4. Step 4: Simplify right side
    1,307,726x = 7,928,938,010,569
  5. Step 5: Solve for x
    x = 7,928,938,010,569/1,307,726
  6. Step 6: Final answer
    x = 6,063,149.32

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.