Home / 66,654-144,378

Finding the Third Proportional to 66,654 and 144,378

Calculator

Solution

The third proportional to 66,654 and 144,378 is: 312,734.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,654 : 144,378 = 144,378 : x
  2. Step 2: Convert to fraction form
    66,654/144,378 = 144,378/x
  3. Step 3: Cross multiply
    66,654x = 144,378 × 144,378
  4. Step 4: Simplify right side
    66,654x = 20,845,006,884
  5. Step 5: Solve for x
    x = 20,845,006,884/66,654
  6. Step 6: Final answer
    x = 312,734.52

Related Problems

Find third proportional to 33,327 and 72,189
Half scale
Find third proportional to 133,308 and 288,756
Double scale
Find third proportional to 66,656 and 144,382
Similar ratio
Find third proportional to 99,981 and 216,567
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.