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Finding the Third Proportional to 174,912 and 270,120

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Solution

The third proportional to 174,912 and 270,120 is: 417,151.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,912 : 270,120 = 270,120 : x
  2. Step 2: Convert to fraction form
    174,912/270,120 = 270,120/x
  3. Step 3: Cross multiply
    174,912x = 270,120 × 270,120
  4. Step 4: Simplify right side
    174,912x = 72,964,814,400
  5. Step 5: Solve for x
    x = 72,964,814,400/174,912
  6. Step 6: Final answer
    x = 417,151.56

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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.