Home / 100,710-153,981

Finding the Third Proportional to 100,710 and 153,981

Calculator

Solution

The third proportional to 100,710 and 153,981 is: 235,429.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,710 : 153,981 = 153,981 : x
  2. Step 2: Convert to fraction form
    100,710/153,981 = 153,981/x
  3. Step 3: Cross multiply
    100,710x = 153,981 × 153,981
  4. Step 4: Simplify right side
    100,710x = 23,710,148,361
  5. Step 5: Solve for x
    x = 23,710,148,361/100,710
  6. Step 6: Final answer
    x = 235,429.93

Related Problems

Find third proportional to 50,355 and 76,990.50
Half scale
Find third proportional to 201,420 and 307,962
Double scale
Find third proportional to 100,712 and 153,984
Similar ratio
Find third proportional to 151,065 and 230,971.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.