Home / 371,972-810,288

Finding the Third Proportional to 371,972 and 810,288

Calculator

Solution

The third proportional to 371,972 and 810,288 is: 1,765,096.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,972 : 810,288 = 810,288 : x
  2. Step 2: Convert to fraction form
    371,972/810,288 = 810,288/x
  3. Step 3: Cross multiply
    371,972x = 810,288 × 810,288
  4. Step 4: Simplify right side
    371,972x = 656,566,642,944
  5. Step 5: Solve for x
    x = 656,566,642,944/371,972
  6. Step 6: Final answer
    x = 1,765,096.95

Related Problems

Find third proportional to 185,986 and 405,144
Half scale
Find third proportional to 743,944 and 1,620,576
Double scale
Find third proportional to 371,974 and 810,292
Similar ratio
Find third proportional to 557,958 and 1,215,432
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.