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Finding the Third Proportional to 171,440 and 372,240

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Solution

The third proportional to 171,440 and 372,240 is: 808,228.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,440 : 372,240 = 372,240 : x
  2. Step 2: Convert to fraction form
    171,440/372,240 = 372,240/x
  3. Step 3: Cross multiply
    171,440x = 372,240 × 372,240
  4. Step 4: Simplify right side
    171,440x = 138,562,617,600
  5. Step 5: Solve for x
    x = 138,562,617,600/171,440
  6. Step 6: Final answer
    x = 808,228.05

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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.