Home / 77,774-171,100

Finding the Third Proportional to 77,774 and 171,100

Calculator

Solution

The third proportional to 77,774 and 171,100 is: 376,413.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,774 : 171,100 = 171,100 : x
  2. Step 2: Convert to fraction form
    77,774/171,100 = 171,100/x
  3. Step 3: Cross multiply
    77,774x = 171,100 × 171,100
  4. Step 4: Simplify right side
    77,774x = 29,275,210,000
  5. Step 5: Solve for x
    x = 29,275,210,000/77,774
  6. Step 6: Final answer
    x = 376,413.84

Related Problems

Find third proportional to 38,887 and 85,550
Half scale
Find third proportional to 155,548 and 342,200
Double scale
Find third proportional to 77,776 and 171,104
Similar ratio
Find third proportional to 116,661 and 256,650
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.