Home / 212,134-457,478

Finding the Third Proportional to 212,134 and 457,478

Calculator

Solution

The third proportional to 212,134 and 457,478 is: 986,575.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,134 : 457,478 = 457,478 : x
  2. Step 2: Convert to fraction form
    212,134/457,478 = 457,478/x
  3. Step 3: Cross multiply
    212,134x = 457,478 × 457,478
  4. Step 4: Simplify right side
    212,134x = 209,286,120,484
  5. Step 5: Solve for x
    x = 209,286,120,484/212,134
  6. Step 6: Final answer
    x = 986,575.09

Related Problems

Find third proportional to 106,067 and 228,739
Half scale
Find third proportional to 424,268 and 914,956
Double scale
Find third proportional to 212,136 and 457,482
Similar ratio
Find third proportional to 318,201 and 686,217
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.