Home / 191,808-421,686

Finding the Third Proportional to 191,808 and 421,686

Calculator

Solution

The third proportional to 191,808 and 421,686 is: 927,068.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,808 : 421,686 = 421,686 : x
  2. Step 2: Convert to fraction form
    191,808/421,686 = 421,686/x
  3. Step 3: Cross multiply
    191,808x = 421,686 × 421,686
  4. Step 4: Simplify right side
    191,808x = 177,819,082,596
  5. Step 5: Solve for x
    x = 177,819,082,596/191,808
  6. Step 6: Final answer
    x = 927,068.12

Related Problems

Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.