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Finding the Third Proportional to 1,290,876.75 and 2,836,539

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Solution

The third proportional to 1,290,876.75 and 2,836,539 is: 6,232,937.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,290,876.75 : 2,836,539 = 2,836,539 : x
  2. Step 2: Convert to fraction form
    1,290,876.75/2,836,539 = 2,836,539/x
  3. Step 3: Cross multiply
    1,290,876.75x = 2,836,539 × 2,836,539
  4. Step 4: Simplify right side
    1,290,876.75x = 8,045,953,498,521
  5. Step 5: Solve for x
    x = 8,045,953,498,521/1,290,876.75
  6. Step 6: Final answer
    x = 6,232,937.03

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.