Home / 399,159-602,868

Finding the Third Proportional to 399,159 and 602,868

Calculator

Solution

The third proportional to 399,159 and 602,868 is: 910,538.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,159 : 602,868 = 602,868 : x
  2. Step 2: Convert to fraction form
    399,159/602,868 = 602,868/x
  3. Step 3: Cross multiply
    399,159x = 602,868 × 602,868
  4. Step 4: Simplify right side
    399,159x = 363,449,825,424
  5. Step 5: Solve for x
    x = 363,449,825,424/399,159
  6. Step 6: Final answer
    x = 910,538.97

Related Problems

Find third proportional to 199,579.50 and 301,434
Half scale
Find third proportional to 798,318 and 1,205,736
Double scale
Find third proportional to 399,161 and 602,871
Similar ratio
Find third proportional to 598,738.50 and 904,302
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.