Home / 66,274-143,848

Finding the Third Proportional to 66,274 and 143,848

Calculator

Solution

The third proportional to 66,274 and 143,848 is: 312,222.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,274 : 143,848 = 143,848 : x
  2. Step 2: Convert to fraction form
    66,274/143,848 = 143,848/x
  3. Step 3: Cross multiply
    66,274x = 143,848 × 143,848
  4. Step 4: Simplify right side
    66,274x = 20,692,247,104
  5. Step 5: Solve for x
    x = 20,692,247,104/66,274
  6. Step 6: Final answer
    x = 312,222.70

Related Problems

Find third proportional to 33,137 and 71,924
Half scale
Find third proportional to 132,548 and 287,696
Double scale
Find third proportional to 66,276 and 143,852
Similar ratio
Find third proportional to 99,411 and 215,772
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.