Home / 85,392-136,416

Finding the Third Proportional to 85,392 and 136,416

Calculator

Solution

The third proportional to 85,392 and 136,416 is: 217,928.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,392 : 136,416 = 136,416 : x
  2. Step 2: Convert to fraction form
    85,392/136,416 = 136,416/x
  3. Step 3: Cross multiply
    85,392x = 136,416 × 136,416
  4. Step 4: Simplify right side
    85,392x = 18,609,325,056
  5. Step 5: Solve for x
    x = 18,609,325,056/85,392
  6. Step 6: Final answer
    x = 217,928.20

Related Problems

Find third proportional to 42,696 and 68,208
Half scale
Find third proportional to 170,784 and 272,832
Double scale
Find third proportional to 85,394 and 136,419
Similar ratio
Find third proportional to 128,088 and 204,624
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.60) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.