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Finding the Third Proportional to 1,306,865 and 2,813,968

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Solution

The third proportional to 1,306,865 and 2,813,968 is: 6,059,092.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,306,865 : 2,813,968 = 2,813,968 : x
  2. Step 2: Convert to fraction form
    1,306,865/2,813,968 = 2,813,968/x
  3. Step 3: Cross multiply
    1,306,865x = 2,813,968 × 2,813,968
  4. Step 4: Simplify right side
    1,306,865x = 7,918,415,905,024
  5. Step 5: Solve for x
    x = 7,918,415,905,024/1,306,865
  6. Step 6: Final answer
    x = 6,059,092.49

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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.