Home / 401,610-836,511

Finding the Third Proportional to 401,610 and 836,511

Calculator

Solution

The third proportional to 401,610 and 836,511 is: 1,742,363.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,610 : 836,511 = 836,511 : x
  2. Step 2: Convert to fraction form
    401,610/836,511 = 836,511/x
  3. Step 3: Cross multiply
    401,610x = 836,511 × 836,511
  4. Step 4: Simplify right side
    401,610x = 699,750,653,121
  5. Step 5: Solve for x
    x = 699,750,653,121/401,610
  6. Step 6: Final answer
    x = 1,742,363.62

Related Problems

Find third proportional to 200,805 and 418,255.50
Half scale
Find third proportional to 803,220 and 1,673,022
Double scale
Find third proportional to 401,612 and 836,515
Similar ratio
Find third proportional to 602,415 and 1,254,766.50
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.