Home / 66,178-144,254

Finding the Third Proportional to 66,178 and 144,254

Calculator

Solution

The third proportional to 66,178 and 144,254 is: 314,443.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,178 : 144,254 = 144,254 : x
  2. Step 2: Convert to fraction form
    66,178/144,254 = 144,254/x
  3. Step 3: Cross multiply
    66,178x = 144,254 × 144,254
  4. Step 4: Simplify right side
    66,178x = 20,809,216,516
  5. Step 5: Solve for x
    x = 20,809,216,516/66,178
  6. Step 6: Final answer
    x = 314,443.12

Related Problems

Find third proportional to 33,089 and 72,127
Half scale
Find third proportional to 132,356 and 288,508
Double scale
Find third proportional to 66,180 and 144,258
Similar ratio
Find third proportional to 99,267 and 216,381
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.