Home / 81,038-168,520

Finding the Third Proportional to 81,038 and 168,520

Calculator

Solution

The third proportional to 81,038 and 168,520 is: 350,440.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,038 : 168,520 = 168,520 : x
  2. Step 2: Convert to fraction form
    81,038/168,520 = 168,520/x
  3. Step 3: Cross multiply
    81,038x = 168,520 × 168,520
  4. Step 4: Simplify right side
    81,038x = 28,398,990,400
  5. Step 5: Solve for x
    x = 28,398,990,400/81,038
  6. Step 6: Final answer
    x = 350,440.42

Related Problems

Find third proportional to 40,519 and 84,260
Half scale
Find third proportional to 162,076 and 337,040
Double scale
Find third proportional to 81,040 and 168,524
Similar ratio
Find third proportional to 121,557 and 252,780
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.