Home / 990,736-1,170,070

Finding the Third Proportional to 990,736 and 1,170,070

Calculator

Solution

The third proportional to 990,736 and 1,170,070 is: 1,381,865.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,736 : 1,170,070 = 1,170,070 : x
  2. Step 2: Convert to fraction form
    990,736/1,170,070 = 1,170,070/x
  3. Step 3: Cross multiply
    990,736x = 1,170,070 × 1,170,070
  4. Step 4: Simplify right side
    990,736x = 1,369,063,804,900
  5. Step 5: Solve for x
    x = 1,369,063,804,900/990,736
  6. Step 6: Final answer
    x = 1,381,865.41

Related Problems

Find third proportional to 495,368 and 585,035
Half scale
Find third proportional to 1,981,472 and 2,340,140
Double scale
Find third proportional to 990,738 and 1,170,072
Similar ratio
Find third proportional to 1,486,104 and 1,755,105
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.