Home / 60,728-128,058

Finding the Third Proportional to 60,728 and 128,058

Calculator

Solution

The third proportional to 60,728 and 128,058 is: 270,037.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,728 : 128,058 = 128,058 : x
  2. Step 2: Convert to fraction form
    60,728/128,058 = 128,058/x
  3. Step 3: Cross multiply
    60,728x = 128,058 × 128,058
  4. Step 4: Simplify right side
    60,728x = 16,398,851,364
  5. Step 5: Solve for x
    x = 16,398,851,364/60,728
  6. Step 6: Final answer
    x = 270,037.73

Related Problems

Find third proportional to 30,364 and 64,029
Half scale
Find third proportional to 121,456 and 256,116
Double scale
Find third proportional to 60,730 and 128,062
Similar ratio
Find third proportional to 91,092 and 192,087
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.