Home / 203,423-425,434

Finding the Third Proportional to 203,423 and 425,434

Calculator

Solution

The third proportional to 203,423 and 425,434 is: 889,742.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,423 : 425,434 = 425,434 : x
  2. Step 2: Convert to fraction form
    203,423/425,434 = 425,434/x
  3. Step 3: Cross multiply
    203,423x = 425,434 × 425,434
  4. Step 4: Simplify right side
    203,423x = 180,994,088,356
  5. Step 5: Solve for x
    x = 180,994,088,356/203,423
  6. Step 6: Final answer
    x = 889,742.50

Related Problems

Find third proportional to 101,711.50 and 212,717
Half scale
Find third proportional to 406,846 and 850,868
Double scale
Find third proportional to 203,425 and 425,438
Similar ratio
Find third proportional to 305,134.50 and 638,151
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.