Home / 320,494-498,222

Finding the Third Proportional to 320,494 and 498,222

Calculator

Solution

The third proportional to 320,494 and 498,222 is: 774,507.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,494 : 498,222 = 498,222 : x
  2. Step 2: Convert to fraction form
    320,494/498,222 = 498,222/x
  3. Step 3: Cross multiply
    320,494x = 498,222 × 498,222
  4. Step 4: Simplify right side
    320,494x = 248,225,161,284
  5. Step 5: Solve for x
    x = 248,225,161,284/320,494
  6. Step 6: Final answer
    x = 774,507.98

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.