Home / 212,104-457,418

Finding the Third Proportional to 212,104 and 457,418

Calculator

Solution

The third proportional to 212,104 and 457,418 is: 986,455.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,104 : 457,418 = 457,418 : x
  2. Step 2: Convert to fraction form
    212,104/457,418 = 457,418/x
  3. Step 3: Cross multiply
    212,104x = 457,418 × 457,418
  4. Step 4: Simplify right side
    212,104x = 209,231,226,724
  5. Step 5: Solve for x
    x = 209,231,226,724/212,104
  6. Step 6: Final answer
    x = 986,455.83

Related Problems

Find third proportional to 106,052 and 228,709
Half scale
Find third proportional to 424,208 and 914,836
Double scale
Find third proportional to 212,106 and 457,422
Similar ratio
Find third proportional to 318,156 and 686,127
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.