Home / 30,420-46,881

Finding the Third Proportional to 30,420 and 46,881

Calculator

Solution

The third proportional to 30,420 and 46,881 is: 72,249.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,420 : 46,881 = 46,881 : x
  2. Step 2: Convert to fraction form
    30,420/46,881 = 46,881/x
  3. Step 3: Cross multiply
    30,420x = 46,881 × 46,881
  4. Step 4: Simplify right side
    30,420x = 2,197,828,161
  5. Step 5: Solve for x
    x = 2,197,828,161/30,420
  6. Step 6: Final answer
    x = 72,249.45

Related Problems

Find third proportional to 15,210 and 23,440.50
Half scale
Find third proportional to 60,840 and 93,762
Double scale
Find third proportional to 30,422 and 46,884
Similar ratio
Find third proportional to 45,630 and 70,321.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.