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Finding the Third Proportional to 1,391,468 and 2,993,291.50

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Solution

The third proportional to 1,391,468 and 2,993,291.50 is: 6,439,094.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,391,468 : 2,993,291.50 = 2,993,291.50 : x
  2. Step 2: Convert to fraction form
    1,391,468/2,993,291.50 = 2,993,291.50/x
  3. Step 3: Cross multiply
    1,391,468x = 2,993,291.50 × 2,993,291.50
  4. Step 4: Simplify right side
    1,391,468x = 8,959,794,003,972.25
  5. Step 5: Solve for x
    x = 8,959,794,003,972.25/1,391,468
  6. Step 6: Final answer
    x = 6,439,094.54

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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.