Home / 213,423-457,275

Finding the Third Proportional to 213,423 and 457,275

Calculator

Solution

The third proportional to 213,423 and 457,275 is: 979,746.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,423 : 457,275 = 457,275 : x
  2. Step 2: Convert to fraction form
    213,423/457,275 = 457,275/x
  3. Step 3: Cross multiply
    213,423x = 457,275 × 457,275
  4. Step 4: Simplify right side
    213,423x = 209,100,425,625
  5. Step 5: Solve for x
    x = 209,100,425,625/213,423
  6. Step 6: Final answer
    x = 979,746.45

Related Problems

Find third proportional to 106,711.50 and 228,637.50
Half scale
Find third proportional to 426,846 and 914,550
Double scale
Find third proportional to 213,425 and 457,279
Similar ratio
Find third proportional to 320,134.50 and 685,912.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.