Home / 189,183-282,133

Finding the Third Proportional to 189,183 and 282,133

Calculator

Solution

The third proportional to 189,183 and 282,133 is: 420,751.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,183 : 282,133 = 282,133 : x
  2. Step 2: Convert to fraction form
    189,183/282,133 = 282,133/x
  3. Step 3: Cross multiply
    189,183x = 282,133 × 282,133
  4. Step 4: Simplify right side
    189,183x = 79,599,029,689
  5. Step 5: Solve for x
    x = 79,599,029,689/189,183
  6. Step 6: Final answer
    x = 420,751.49

Related Problems

Find third proportional to 94,591.50 and 141,066.50
Half scale
Find third proportional to 378,366 and 564,266
Double scale
Find third proportional to 189,185 and 282,136
Similar ratio
Find third proportional to 283,774.50 and 423,199.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.