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Finding the Third Proportional to 271,908 and 551,409

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Solution

The third proportional to 271,908 and 551,409 is: 1,118,216.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,908 : 551,409 = 551,409 : x
  2. Step 2: Convert to fraction form
    271,908/551,409 = 551,409/x
  3. Step 3: Cross multiply
    271,908x = 551,409 × 551,409
  4. Step 4: Simplify right side
    271,908x = 304,051,885,281
  5. Step 5: Solve for x
    x = 304,051,885,281/271,908
  6. Step 6: Final answer
    x = 1,118,216.03

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Why These Related Problems?

These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.