Home / 70,968-155,221

Finding the Third Proportional to 70,968 and 155,221

Calculator

Solution

The third proportional to 70,968 and 155,221 is: 339,498.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,968 : 155,221 = 155,221 : x
  2. Step 2: Convert to fraction form
    70,968/155,221 = 155,221/x
  3. Step 3: Cross multiply
    70,968x = 155,221 × 155,221
  4. Step 4: Simplify right side
    70,968x = 24,093,558,841
  5. Step 5: Solve for x
    x = 24,093,558,841/70,968
  6. Step 6: Final answer
    x = 339,498.91

Related Problems

Find third proportional to 35,484 and 77,610.50
Half scale
Find third proportional to 141,936 and 310,442
Double scale
Find third proportional to 70,970 and 155,225
Similar ratio
Find third proportional to 106,452 and 232,831.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.