Home / 89,612-189,832

Finding the Third Proportional to 89,612 and 189,832

Calculator

Solution

The third proportional to 89,612 and 189,832 is: 402,135.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,612 : 189,832 = 189,832 : x
  2. Step 2: Convert to fraction form
    89,612/189,832 = 189,832/x
  3. Step 3: Cross multiply
    89,612x = 189,832 × 189,832
  4. Step 4: Simplify right side
    89,612x = 36,036,188,224
  5. Step 5: Solve for x
    x = 36,036,188,224/89,612
  6. Step 6: Final answer
    x = 402,135.74

Related Problems

Find third proportional to 44,806 and 94,916
Half scale
Find third proportional to 179,224 and 379,664
Double scale
Find third proportional to 89,614 and 189,836
Similar ratio
Find third proportional to 134,418 and 284,748
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.