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Finding the Third Proportional to 56,392 and 122,504

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Solution

The third proportional to 56,392 and 122,504 is: 266,123.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,392 : 122,504 = 122,504 : x
  2. Step 2: Convert to fraction form
    56,392/122,504 = 122,504/x
  3. Step 3: Cross multiply
    56,392x = 122,504 × 122,504
  4. Step 4: Simplify right side
    56,392x = 15,007,230,016
  5. Step 5: Solve for x
    x = 15,007,230,016/56,392
  6. Step 6: Final answer
    x = 266,123.39

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.