Home / 386,328-614,724

Finding the Third Proportional to 386,328 and 614,724

Calculator

Solution

The third proportional to 386,328 and 614,724 is: 978,147.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,328 : 614,724 = 614,724 : x
  2. Step 2: Convert to fraction form
    386,328/614,724 = 614,724/x
  3. Step 3: Cross multiply
    386,328x = 614,724 × 614,724
  4. Step 4: Simplify right side
    386,328x = 377,885,596,176
  5. Step 5: Solve for x
    x = 377,885,596,176/386,328
  6. Step 6: Final answer
    x = 978,147.06

Related Problems

Find third proportional to 193,164 and 307,362
Half scale
Find third proportional to 772,656 and 1,229,448
Double scale
Find third proportional to 386,330 and 614,727
Similar ratio
Find third proportional to 579,492 and 922,086
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.