Home / 420,548-630,198

Finding the Third Proportional to 420,548 and 630,198

Calculator

Solution

The third proportional to 420,548 and 630,198 is: 944,361.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    420,548 : 630,198 = 630,198 : x
  2. Step 2: Convert to fraction form
    420,548/630,198 = 630,198/x
  3. Step 3: Cross multiply
    420,548x = 630,198 × 630,198
  4. Step 4: Simplify right side
    420,548x = 397,149,519,204
  5. Step 5: Solve for x
    x = 397,149,519,204/420,548
  6. Step 6: Final answer
    x = 944,361.93

Related Problems

Find third proportional to 210,274 and 315,099
Half scale
Find third proportional to 841,096 and 1,260,396
Double scale
Find third proportional to 420,550 and 630,201
Similar ratio
Find third proportional to 630,822 and 945,297
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.