Home / 86,756-127,398

Finding the Third Proportional to 86,756 and 127,398

Calculator

Solution

The third proportional to 86,756 and 127,398 is: 187,079.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,756 : 127,398 = 127,398 : x
  2. Step 2: Convert to fraction form
    86,756/127,398 = 127,398/x
  3. Step 3: Cross multiply
    86,756x = 127,398 × 127,398
  4. Step 4: Simplify right side
    86,756x = 16,230,250,404
  5. Step 5: Solve for x
    x = 16,230,250,404/86,756
  6. Step 6: Final answer
    x = 187,079.28

Related Problems

Find third proportional to 43,378 and 63,699
Half scale
Find third proportional to 173,512 and 254,796
Double scale
Find third proportional to 86,758 and 127,401
Similar ratio
Find third proportional to 130,134 and 191,097
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.