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Finding the Third Proportional to 3,515,865 and 5,283,159

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Solution

The third proportional to 3,515,865 and 5,283,159 is: 7,938,805.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,515,865 : 5,283,159 = 5,283,159 : x
  2. Step 2: Convert to fraction form
    3,515,865/5,283,159 = 5,283,159/x
  3. Step 3: Cross multiply
    3,515,865x = 5,283,159 × 5,283,159
  4. Step 4: Simplify right side
    3,515,865x = 27,911,769,019,281
  5. Step 5: Solve for x
    x = 27,911,769,019,281/3,515,865
  6. Step 6: Final answer
    x = 7,938,805.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.