Home / 100,964-218,645

Finding the Third Proportional to 100,964 and 218,645

Calculator

Solution

The third proportional to 100,964 and 218,645 is: 473,491.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,964 : 218,645 = 218,645 : x
  2. Step 2: Convert to fraction form
    100,964/218,645 = 218,645/x
  3. Step 3: Cross multiply
    100,964x = 218,645 × 218,645
  4. Step 4: Simplify right side
    100,964x = 47,805,636,025
  5. Step 5: Solve for x
    x = 47,805,636,025/100,964
  6. Step 6: Final answer
    x = 473,491.90

Related Problems

Find third proportional to 50,482 and 109,322.50
Half scale
Find third proportional to 201,928 and 437,290
Double scale
Find third proportional to 100,966 and 218,649
Similar ratio
Find third proportional to 151,446 and 327,967.50
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.