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Finding the Third Proportional to 1,380,824 and 2,953,561

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Solution

The third proportional to 1,380,824 and 2,953,561 is: 6,317,620.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,380,824 : 2,953,561 = 2,953,561 : x
  2. Step 2: Convert to fraction form
    1,380,824/2,953,561 = 2,953,561/x
  3. Step 3: Cross multiply
    1,380,824x = 2,953,561 × 2,953,561
  4. Step 4: Simplify right side
    1,380,824x = 8,723,522,580,721
  5. Step 5: Solve for x
    x = 8,723,522,580,721/1,380,824
  6. Step 6: Final answer
    x = 6,317,620.91

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.