Home / 101,282-218,140

Finding the Third Proportional to 101,282 and 218,140

Calculator

Solution

The third proportional to 101,282 and 218,140 is: 469,827.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,282 : 218,140 = 218,140 : x
  2. Step 2: Convert to fraction form
    101,282/218,140 = 218,140/x
  3. Step 3: Cross multiply
    101,282x = 218,140 × 218,140
  4. Step 4: Simplify right side
    101,282x = 47,585,059,600
  5. Step 5: Solve for x
    x = 47,585,059,600/101,282
  6. Step 6: Final answer
    x = 469,827.41

Related Problems

Find third proportional to 50,641 and 109,070
Half scale
Find third proportional to 202,564 and 436,280
Double scale
Find third proportional to 101,284 and 218,144
Similar ratio
Find third proportional to 151,923 and 327,210
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.