Home / 90,639-135,841.50

Finding the Third Proportional to 90,639 and 135,841.50

Calculator

Solution

The third proportional to 90,639 and 135,841.50 is: 203,586.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,639 : 135,841.50 = 135,841.50 : x
  2. Step 2: Convert to fraction form
    90,639/135,841.50 = 135,841.50/x
  3. Step 3: Cross multiply
    90,639x = 135,841.50 × 135,841.50
  4. Step 4: Simplify right side
    90,639x = 18,452,913,122.25
  5. Step 5: Solve for x
    x = 18,452,913,122.25/90,639
  6. Step 6: Final answer
    x = 203,586.90

Related Problems

Find third proportional to 45,319.50 and 67,920.75
Half scale
Find third proportional to 181,278 and 271,683
Double scale
Find third proportional to 90,641 and 135,844
Similar ratio
Find third proportional to 135,958.50 and 203,762.25
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.