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Finding the Third Proportional to 114,720 and 177,216

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Solution

The third proportional to 114,720 and 177,216 is: 273,757.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,720 : 177,216 = 177,216 : x
  2. Step 2: Convert to fraction form
    114,720/177,216 = 177,216/x
  3. Step 3: Cross multiply
    114,720x = 177,216 × 177,216
  4. Step 4: Simplify right side
    114,720x = 31,405,510,656
  5. Step 5: Solve for x
    x = 31,405,510,656/114,720
  6. Step 6: Final answer
    x = 273,757.94

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.