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Finding the Third Proportional to 115,333 and 155,185

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Solution

The third proportional to 115,333 and 155,185 is: 208,807.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,333 : 155,185 = 155,185 : x
  2. Step 2: Convert to fraction form
    115,333/155,185 = 155,185/x
  3. Step 3: Cross multiply
    115,333x = 155,185 × 155,185
  4. Step 4: Simplify right side
    115,333x = 24,082,384,225
  5. Step 5: Solve for x
    x = 24,082,384,225/115,333
  6. Step 6: Final answer
    x = 208,807.40

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Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.