Home / 37,320-77,800

Finding the Third Proportional to 37,320 and 77,800

Calculator

Solution

The third proportional to 37,320 and 77,800 is: 162,187.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,320 : 77,800 = 77,800 : x
  2. Step 2: Convert to fraction form
    37,320/77,800 = 77,800/x
  3. Step 3: Cross multiply
    37,320x = 77,800 × 77,800
  4. Step 4: Simplify right side
    37,320x = 6,052,840,000
  5. Step 5: Solve for x
    x = 6,052,840,000/37,320
  6. Step 6: Final answer
    x = 162,187.57

Related Problems

Find third proportional to 18,660 and 38,900
Half scale
Find third proportional to 74,640 and 155,600
Double scale
Find third proportional to 37,322 and 77,804
Similar ratio
Find third proportional to 55,980 and 116,700
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.