Home / 409,290-885,838

Finding the Third Proportional to 409,290 and 885,838

Calculator

Solution

The third proportional to 409,290 and 885,838 is: 1,917,244.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,290 : 885,838 = 885,838 : x
  2. Step 2: Convert to fraction form
    409,290/885,838 = 885,838/x
  3. Step 3: Cross multiply
    409,290x = 885,838 × 885,838
  4. Step 4: Simplify right side
    409,290x = 784,708,962,244
  5. Step 5: Solve for x
    x = 784,708,962,244/409,290
  6. Step 6: Final answer
    x = 1,917,244.40

Related Problems

Find third proportional to 204,645 and 442,919
Half scale
Find third proportional to 818,580 and 1,771,676
Double scale
Find third proportional to 409,292 and 885,842
Similar ratio
Find third proportional to 613,935 and 1,328,757
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.