Home / 189,030-409,089

Finding the Third Proportional to 189,030 and 409,089

Calculator

Solution

The third proportional to 189,030 and 409,089 is: 885,329.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,030 : 409,089 = 409,089 : x
  2. Step 2: Convert to fraction form
    189,030/409,089 = 409,089/x
  3. Step 3: Cross multiply
    189,030x = 409,089 × 409,089
  4. Step 4: Simplify right side
    189,030x = 167,353,809,921
  5. Step 5: Solve for x
    x = 167,353,809,921/189,030
  6. Step 6: Final answer
    x = 885,329.37

Related Problems

Find third proportional to 94,515 and 204,544.50
Half scale
Find third proportional to 378,060 and 818,178
Double scale
Find third proportional to 189,032 and 409,093
Similar ratio
Find third proportional to 283,545 and 613,633.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.