Home / 67,740-145,956

Finding the Third Proportional to 67,740 and 145,956

Calculator

Solution

The third proportional to 67,740 and 145,956 is: 314,484.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,740 : 145,956 = 145,956 : x
  2. Step 2: Convert to fraction form
    67,740/145,956 = 145,956/x
  3. Step 3: Cross multiply
    67,740x = 145,956 × 145,956
  4. Step 4: Simplify right side
    67,740x = 21,303,153,936
  5. Step 5: Solve for x
    x = 21,303,153,936/67,740
  6. Step 6: Final answer
    x = 314,484.11

Related Problems

Find third proportional to 33,870 and 72,978
Half scale
Find third proportional to 135,480 and 291,912
Double scale
Find third proportional to 67,742 and 145,960
Similar ratio
Find third proportional to 101,610 and 218,934
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.