Home / 210,390-454,476

Finding the Third Proportional to 210,390 and 454,476

Calculator

Solution

The third proportional to 210,390 and 454,476 is: 981,740.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,390 : 454,476 = 454,476 : x
  2. Step 2: Convert to fraction form
    210,390/454,476 = 454,476/x
  3. Step 3: Cross multiply
    210,390x = 454,476 × 454,476
  4. Step 4: Simplify right side
    210,390x = 206,548,434,576
  5. Step 5: Solve for x
    x = 206,548,434,576/210,390
  6. Step 6: Final answer
    x = 981,740.74

Related Problems

Find third proportional to 105,195 and 227,238
Half scale
Find third proportional to 420,780 and 908,952
Double scale
Find third proportional to 210,392 and 454,480
Similar ratio
Find third proportional to 315,585 and 681,714
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.