Home / 401,748-836,782

Finding the Third Proportional to 401,748 and 836,782

Calculator

Solution

The third proportional to 401,748 and 836,782 is: 1,742,893.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,748 : 836,782 = 836,782 : x
  2. Step 2: Convert to fraction form
    401,748/836,782 = 836,782/x
  3. Step 3: Cross multiply
    401,748x = 836,782 × 836,782
  4. Step 4: Simplify right side
    401,748x = 700,204,115,524
  5. Step 5: Solve for x
    x = 700,204,115,524/401,748
  6. Step 6: Final answer
    x = 1,742,893.84

Related Problems

Find third proportional to 200,874 and 418,391
Half scale
Find third proportional to 803,496 and 1,673,564
Double scale
Find third proportional to 401,750 and 836,786
Similar ratio
Find third proportional to 602,622 and 1,255,173
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.