Home / 66,465-144,000

Finding the Third Proportional to 66,465 and 144,000

Calculator

Solution

The third proportional to 66,465 and 144,000 is: 311,983.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,465 : 144,000 = 144,000 : x
  2. Step 2: Convert to fraction form
    66,465/144,000 = 144,000/x
  3. Step 3: Cross multiply
    66,465x = 144,000 × 144,000
  4. Step 4: Simplify right side
    66,465x = 20,736,000,000
  5. Step 5: Solve for x
    x = 20,736,000,000/66,465
  6. Step 6: Final answer
    x = 311,983.75

Related Problems

Find third proportional to 33,232.50 and 72,000
Half scale
Find third proportional to 132,930 and 288,000
Double scale
Find third proportional to 66,467 and 144,004
Similar ratio
Find third proportional to 99,697.50 and 216,000
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.