Home / 303,289-660,091

Finding the Third Proportional to 303,289 and 660,091

Calculator

Solution

The third proportional to 303,289 and 660,091 is: 1,436,649.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,289 : 660,091 = 660,091 : x
  2. Step 2: Convert to fraction form
    303,289/660,091 = 660,091/x
  3. Step 3: Cross multiply
    303,289x = 660,091 × 660,091
  4. Step 4: Simplify right side
    303,289x = 435,720,128,281
  5. Step 5: Solve for x
    x = 435,720,128,281/303,289
  6. Step 6: Final answer
    x = 1,436,649.96

Related Problems

Find third proportional to 151,644.50 and 330,045.50
Half scale
Find third proportional to 606,578 and 1,320,182
Double scale
Find third proportional to 303,291 and 660,095
Similar ratio
Find third proportional to 454,933.50 and 990,136.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.