Home / 66,764-144,940

Finding the Third Proportional to 66,764 and 144,940

Calculator

Solution

The third proportional to 66,764 and 144,940 is: 314,654.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,764 : 144,940 = 144,940 : x
  2. Step 2: Convert to fraction form
    66,764/144,940 = 144,940/x
  3. Step 3: Cross multiply
    66,764x = 144,940 × 144,940
  4. Step 4: Simplify right side
    66,764x = 21,007,603,600
  5. Step 5: Solve for x
    x = 21,007,603,600/66,764
  6. Step 6: Final answer
    x = 314,654.66

Related Problems

Find third proportional to 33,382 and 72,470
Half scale
Find third proportional to 133,528 and 289,880
Double scale
Find third proportional to 66,766 and 144,944
Similar ratio
Find third proportional to 100,146 and 217,410
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.