Home / 83,118-171,138

Finding the Third Proportional to 83,118 and 171,138

Calculator

Solution

The third proportional to 83,118 and 171,138 is: 352,369.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,118 : 171,138 = 171,138 : x
  2. Step 2: Convert to fraction form
    83,118/171,138 = 171,138/x
  3. Step 3: Cross multiply
    83,118x = 171,138 × 171,138
  4. Step 4: Simplify right side
    83,118x = 29,288,215,044
  5. Step 5: Solve for x
    x = 29,288,215,044/83,118
  6. Step 6: Final answer
    x = 352,369.10

Related Problems

Find third proportional to 41,559 and 85,569
Half scale
Find third proportional to 166,236 and 342,276
Double scale
Find third proportional to 83,120 and 171,142
Similar ratio
Find third proportional to 124,677 and 256,707
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.06) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.