Home / 43,352-81,520

Finding the Third Proportional to 43,352 and 81,520

Calculator

Solution

The third proportional to 43,352 and 81,520 is: 153,291.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,352 : 81,520 = 81,520 : x
  2. Step 2: Convert to fraction form
    43,352/81,520 = 81,520/x
  3. Step 3: Cross multiply
    43,352x = 81,520 × 81,520
  4. Step 4: Simplify right side
    43,352x = 6,645,510,400
  5. Step 5: Solve for x
    x = 6,645,510,400/43,352
  6. Step 6: Final answer
    x = 153,291.90

Related Problems

Find third proportional to 21,676 and 40,760
Half scale
Find third proportional to 86,704 and 163,040
Double scale
Find third proportional to 43,354 and 81,524
Similar ratio
Find third proportional to 65,028 and 122,280
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.88) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.