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Finding the Third Proportional to 271,160 and 517,716

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Solution

The third proportional to 271,160 and 517,716 is: 988,456.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,160 : 517,716 = 517,716 : x
  2. Step 2: Convert to fraction form
    271,160/517,716 = 517,716/x
  3. Step 3: Cross multiply
    271,160x = 517,716 × 517,716
  4. Step 4: Simplify right side
    271,160x = 268,029,856,656
  5. Step 5: Solve for x
    x = 268,029,856,656/271,160
  6. Step 6: Final answer
    x = 988,456.47

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Why These Related Problems?

These problems maintain the same ratio (1.91) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.