Home / 411,270-990,766

Finding the Third Proportional to 411,270 and 990,766

Calculator

Solution

The third proportional to 411,270 and 990,766 is: 2,386,795.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,270 : 990,766 = 990,766 : x
  2. Step 2: Convert to fraction form
    411,270/990,766 = 990,766/x
  3. Step 3: Cross multiply
    411,270x = 990,766 × 990,766
  4. Step 4: Simplify right side
    411,270x = 981,617,266,756
  5. Step 5: Solve for x
    x = 981,617,266,756/411,270
  6. Step 6: Final answer
    x = 2,386,795.21

Related Problems

Find third proportional to 205,635 and 495,383
Half scale
Find third proportional to 822,540 and 1,981,532
Double scale
Find third proportional to 411,272 and 990,771
Similar ratio
Find third proportional to 616,905 and 1,486,149
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.