Home / 393,862-843,772

Finding the Third Proportional to 393,862 and 843,772

Calculator

Solution

The third proportional to 393,862 and 843,772 is: 1,807,615.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,862 : 843,772 = 843,772 : x
  2. Step 2: Convert to fraction form
    393,862/843,772 = 843,772/x
  3. Step 3: Cross multiply
    393,862x = 843,772 × 843,772
  4. Step 4: Simplify right side
    393,862x = 711,951,187,984
  5. Step 5: Solve for x
    x = 711,951,187,984/393,862
  6. Step 6: Final answer
    x = 1,807,615.83

Related Problems

Find third proportional to 196,931 and 421,886
Half scale
Find third proportional to 787,724 and 1,687,544
Double scale
Find third proportional to 393,864 and 843,776
Similar ratio
Find third proportional to 590,793 and 1,265,658
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.