Home / 386,727-830,580

Finding the Third Proportional to 386,727 and 830,580

Calculator

Solution

The third proportional to 386,727 and 830,580 is: 1,783,850.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,727 : 830,580 = 830,580 : x
  2. Step 2: Convert to fraction form
    386,727/830,580 = 830,580/x
  3. Step 3: Cross multiply
    386,727x = 830,580 × 830,580
  4. Step 4: Simplify right side
    386,727x = 689,863,136,400
  5. Step 5: Solve for x
    x = 689,863,136,400/386,727
  6. Step 6: Final answer
    x = 1,783,850.46

Related Problems

Find third proportional to 193,363.50 and 415,290
Half scale
Find third proportional to 773,454 and 1,661,160
Double scale
Find third proportional to 386,729 and 830,584
Similar ratio
Find third proportional to 580,090.50 and 1,245,870
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.