Home / 90,474-137,583

Finding the Third Proportional to 90,474 and 137,583

Calculator

Solution

The third proportional to 90,474 and 137,583 is: 209,221.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,474 : 137,583 = 137,583 : x
  2. Step 2: Convert to fraction form
    90,474/137,583 = 137,583/x
  3. Step 3: Cross multiply
    90,474x = 137,583 × 137,583
  4. Step 4: Simplify right side
    90,474x = 18,929,081,889
  5. Step 5: Solve for x
    x = 18,929,081,889/90,474
  6. Step 6: Final answer
    x = 209,221.23

Related Problems

Find third proportional to 45,237 and 68,791.50
Half scale
Find third proportional to 180,948 and 275,166
Double scale
Find third proportional to 90,476 and 137,586
Similar ratio
Find third proportional to 135,711 and 206,374.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.