Home / 128,202-276,116

Finding the Third Proportional to 128,202 and 276,116

Calculator

Solution

The third proportional to 128,202 and 276,116 is: 594,686.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,202 : 276,116 = 276,116 : x
  2. Step 2: Convert to fraction form
    128,202/276,116 = 276,116/x
  3. Step 3: Cross multiply
    128,202x = 276,116 × 276,116
  4. Step 4: Simplify right side
    128,202x = 76,240,045,456
  5. Step 5: Solve for x
    x = 76,240,045,456/128,202
  6. Step 6: Final answer
    x = 594,686.86

Related Problems

Find third proportional to 64,101 and 138,058
Half scale
Find third proportional to 256,404 and 552,232
Double scale
Find third proportional to 128,204 and 276,120
Similar ratio
Find third proportional to 192,303 and 414,174
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.