Home / 386,370-863,136

Finding the Third Proportional to 386,370 and 863,136

Calculator

Solution

The third proportional to 386,370 and 863,136 is: 1,928,213.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,370 : 863,136 = 863,136 : x
  2. Step 2: Convert to fraction form
    386,370/863,136 = 863,136/x
  3. Step 3: Cross multiply
    386,370x = 863,136 × 863,136
  4. Step 4: Simplify right side
    386,370x = 745,003,754,496
  5. Step 5: Solve for x
    x = 745,003,754,496/386,370
  6. Step 6: Final answer
    x = 1,928,213.25

Related Problems

Find third proportional to 193,185 and 431,568
Half scale
Find third proportional to 772,740 and 1,726,272
Double scale
Find third proportional to 386,372 and 863,140
Similar ratio
Find third proportional to 579,555 and 1,294,704
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.23) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.