Home / 133,089-205,580

Finding the Third Proportional to 133,089 and 205,580

Calculator

Solution

The third proportional to 133,089 and 205,580 is: 317,555.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,089 : 205,580 = 205,580 : x
  2. Step 2: Convert to fraction form
    133,089/205,580 = 205,580/x
  3. Step 3: Cross multiply
    133,089x = 205,580 × 205,580
  4. Step 4: Simplify right side
    133,089x = 42,263,136,400
  5. Step 5: Solve for x
    x = 42,263,136,400/133,089
  6. Step 6: Final answer
    x = 317,555.44

Related Problems

Find third proportional to 66,544.50 and 102,790
Half scale
Find third proportional to 266,178 and 411,160
Double scale
Find third proportional to 133,091 and 205,583
Similar ratio
Find third proportional to 199,633.50 and 308,370
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.