Home / 128,998-195,443

Finding the Third Proportional to 128,998 and 195,443

Calculator

Solution

The third proportional to 128,998 and 195,443 is: 296,112.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,998 : 195,443 = 195,443 : x
  2. Step 2: Convert to fraction form
    128,998/195,443 = 195,443/x
  3. Step 3: Cross multiply
    128,998x = 195,443 × 195,443
  4. Step 4: Simplify right side
    128,998x = 38,197,966,249
  5. Step 5: Solve for x
    x = 38,197,966,249/128,998
  6. Step 6: Final answer
    x = 296,112.86

Related Problems

Find third proportional to 64,499 and 97,721.50
Half scale
Find third proportional to 257,996 and 390,886
Double scale
Find third proportional to 129,000 and 195,446
Similar ratio
Find third proportional to 193,497 and 293,164.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.