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Finding the Third Proportional to 58,803 and 128,181

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Solution

The third proportional to 58,803 and 128,181 is: 279,413.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,803 : 128,181 = 128,181 : x
  2. Step 2: Convert to fraction form
    58,803/128,181 = 128,181/x
  3. Step 3: Cross multiply
    58,803x = 128,181 × 128,181
  4. Step 4: Simplify right side
    58,803x = 16,430,368,761
  5. Step 5: Solve for x
    x = 16,430,368,761/58,803
  6. Step 6: Final answer
    x = 279,413.78

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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.