Home / 70,220-105,221

Finding the Third Proportional to 70,220 and 105,221

Calculator

Solution

The third proportional to 70,220 and 105,221 is: 157,668.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,220 : 105,221 = 105,221 : x
  2. Step 2: Convert to fraction form
    70,220/105,221 = 105,221/x
  3. Step 3: Cross multiply
    70,220x = 105,221 × 105,221
  4. Step 4: Simplify right side
    70,220x = 11,071,458,841
  5. Step 5: Solve for x
    x = 11,071,458,841/70,220
  6. Step 6: Final answer
    x = 157,668.17

Related Problems

Find third proportional to 35,110 and 52,610.50
Half scale
Find third proportional to 140,440 and 210,442
Double scale
Find third proportional to 70,222 and 105,224
Similar ratio
Find third proportional to 105,330 and 157,831.50
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.