Home / 101,272-217,869

Finding the Third Proportional to 101,272 and 217,869

Calculator

Solution

The third proportional to 101,272 and 217,869 is: 468,707.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,272 : 217,869 = 217,869 : x
  2. Step 2: Convert to fraction form
    101,272/217,869 = 217,869/x
  3. Step 3: Cross multiply
    101,272x = 217,869 × 217,869
  4. Step 4: Simplify right side
    101,272x = 47,466,901,161
  5. Step 5: Solve for x
    x = 47,466,901,161/101,272
  6. Step 6: Final answer
    x = 468,707.06

Related Problems

Find third proportional to 50,636 and 108,934.50
Half scale
Find third proportional to 202,544 and 435,738
Double scale
Find third proportional to 101,274 and 217,873
Similar ratio
Find third proportional to 151,908 and 326,803.50
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.