Home / 127,215-190,836

Finding the Third Proportional to 127,215 and 190,836

Calculator

Solution

The third proportional to 127,215 and 190,836 is: 286,274.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,215 : 190,836 = 190,836 : x
  2. Step 2: Convert to fraction form
    127,215/190,836 = 190,836/x
  3. Step 3: Cross multiply
    127,215x = 190,836 × 190,836
  4. Step 4: Simplify right side
    127,215x = 36,418,378,896
  5. Step 5: Solve for x
    x = 36,418,378,896/127,215
  6. Step 6: Final answer
    x = 286,274.25

Related Problems

Find third proportional to 63,607.50 and 95,418
Half scale
Find third proportional to 254,430 and 381,672
Double scale
Find third proportional to 127,217 and 190,839
Similar ratio
Find third proportional to 190,822.50 and 286,254
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.