Home / 66,142-144,703

Finding the Third Proportional to 66,142 and 144,703

Calculator

Solution

The third proportional to 66,142 and 144,703 is: 316,575.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,142 : 144,703 = 144,703 : x
  2. Step 2: Convert to fraction form
    66,142/144,703 = 144,703/x
  3. Step 3: Cross multiply
    66,142x = 144,703 × 144,703
  4. Step 4: Simplify right side
    66,142x = 20,938,958,209
  5. Step 5: Solve for x
    x = 20,938,958,209/66,142
  6. Step 6: Final answer
    x = 316,575.82

Related Problems

Find third proportional to 33,071 and 72,351.50
Half scale
Find third proportional to 132,284 and 289,406
Double scale
Find third proportional to 66,144 and 144,707
Similar ratio
Find third proportional to 99,213 and 217,054.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.