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Finding the Third Proportional to 454,407 and 955,821

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Solution

The third proportional to 454,407 and 955,821 is: 2,010,518.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,407 : 955,821 = 955,821 : x
  2. Step 2: Convert to fraction form
    454,407/955,821 = 955,821/x
  3. Step 3: Cross multiply
    454,407x = 955,821 × 955,821
  4. Step 4: Simplify right side
    454,407x = 913,593,784,041
  5. Step 5: Solve for x
    x = 913,593,784,041/454,407
  6. Step 6: Final answer
    x = 2,010,518.73

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.