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Finding the Third Proportional to 454,266 and 988,074

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Solution

The third proportional to 454,266 and 988,074 is: 2,149,159.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,266 : 988,074 = 988,074 : x
  2. Step 2: Convert to fraction form
    454,266/988,074 = 988,074/x
  3. Step 3: Cross multiply
    454,266x = 988,074 × 988,074
  4. Step 4: Simplify right side
    454,266x = 976,290,229,476
  5. Step 5: Solve for x
    x = 976,290,229,476/454,266
  6. Step 6: Final answer
    x = 2,149,159.81

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.