Home / 66,474-144,611

Finding the Third Proportional to 66,474 and 144,611

Calculator

Solution

The third proportional to 66,474 and 144,611 is: 314,594.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,474 : 144,611 = 144,611 : x
  2. Step 2: Convert to fraction form
    66,474/144,611 = 144,611/x
  3. Step 3: Cross multiply
    66,474x = 144,611 × 144,611
  4. Step 4: Simplify right side
    66,474x = 20,912,341,321
  5. Step 5: Solve for x
    x = 20,912,341,321/66,474
  6. Step 6: Final answer
    x = 314,594.30

Related Problems

Find third proportional to 33,237 and 72,305.50
Half scale
Find third proportional to 132,948 and 289,222
Double scale
Find third proportional to 66,476 and 144,615
Similar ratio
Find third proportional to 99,711 and 216,916.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.