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Finding the Third Proportional to 170,910 and 370,980

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Solution

The third proportional to 170,910 and 370,980 is: 805,255.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,910 : 370,980 = 370,980 : x
  2. Step 2: Convert to fraction form
    170,910/370,980 = 370,980/x
  3. Step 3: Cross multiply
    170,910x = 370,980 × 370,980
  4. Step 4: Simplify right side
    170,910x = 137,626,160,400
  5. Step 5: Solve for x
    x = 137,626,160,400/170,910
  6. Step 6: Final answer
    x = 805,255.17

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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.