Home / 89,439-189,537

Finding the Third Proportional to 89,439 and 189,537

Calculator

Solution

The third proportional to 89,439 and 189,537 is: 401,662.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,439 : 189,537 = 189,537 : x
  2. Step 2: Convert to fraction form
    89,439/189,537 = 189,537/x
  3. Step 3: Cross multiply
    89,439x = 189,537 × 189,537
  4. Step 4: Simplify right side
    89,439x = 35,924,274,369
  5. Step 5: Solve for x
    x = 35,924,274,369/89,439
  6. Step 6: Final answer
    x = 401,662.30

Related Problems

Find third proportional to 44,719.50 and 94,768.50
Half scale
Find third proportional to 178,878 and 379,074
Double scale
Find third proportional to 89,441 and 189,541
Similar ratio
Find third proportional to 134,158.50 and 284,305.50
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.