Home / 389,853-851,148

Finding the Third Proportional to 389,853 and 851,148

Calculator

Solution

The third proportional to 389,853 and 851,148 is: 1,858,272.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,853 : 851,148 = 851,148 : x
  2. Step 2: Convert to fraction form
    389,853/851,148 = 851,148/x
  3. Step 3: Cross multiply
    389,853x = 851,148 × 851,148
  4. Step 4: Simplify right side
    389,853x = 724,452,917,904
  5. Step 5: Solve for x
    x = 724,452,917,904/389,853
  6. Step 6: Final answer
    x = 1,858,272.01

Related Problems

Find third proportional to 194,926.50 and 425,574
Half scale
Find third proportional to 779,706 and 1,702,296
Double scale
Find third proportional to 389,855 and 851,152
Similar ratio
Find third proportional to 584,779.50 and 1,276,722
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.