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Finding the Third Proportional to 1,890,538 and 2,905,889

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Solution

The third proportional to 1,890,538 and 2,905,889 is: 4,466,554.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,890,538 : 2,905,889 = 2,905,889 : x
  2. Step 2: Convert to fraction form
    1,890,538/2,905,889 = 2,905,889/x
  3. Step 3: Cross multiply
    1,890,538x = 2,905,889 × 2,905,889
  4. Step 4: Simplify right side
    1,890,538x = 8,444,190,880,321
  5. Step 5: Solve for x
    x = 8,444,190,880,321/1,890,538
  6. Step 6: Final answer
    x = 4,466,554.43

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.