Home / 79,420-170,356

Finding the Third Proportional to 79,420 and 170,356

Calculator

Solution

The third proportional to 79,420 and 170,356 is: 365,413.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,420 : 170,356 = 170,356 : x
  2. Step 2: Convert to fraction form
    79,420/170,356 = 170,356/x
  3. Step 3: Cross multiply
    79,420x = 170,356 × 170,356
  4. Step 4: Simplify right side
    79,420x = 29,021,166,736
  5. Step 5: Solve for x
    x = 29,021,166,736/79,420
  6. Step 6: Final answer
    x = 365,413.83

Related Problems

Find third proportional to 39,710 and 85,178
Half scale
Find third proportional to 158,840 and 340,712
Double scale
Find third proportional to 79,422 and 170,360
Similar ratio
Find third proportional to 119,130 and 255,534
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.