Home / 131,523-203,423

Finding the Third Proportional to 131,523 and 203,423

Calculator

Solution

The third proportional to 131,523 and 203,423 is: 314,628.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,523 : 203,423 = 203,423 : x
  2. Step 2: Convert to fraction form
    131,523/203,423 = 203,423/x
  3. Step 3: Cross multiply
    131,523x = 203,423 × 203,423
  4. Step 4: Simplify right side
    131,523x = 41,380,916,929
  5. Step 5: Solve for x
    x = 41,380,916,929/131,523
  6. Step 6: Final answer
    x = 314,628.75

Related Problems

Find third proportional to 65,761.50 and 101,711.50
Half scale
Find third proportional to 263,046 and 406,846
Double scale
Find third proportional to 131,525 and 203,426
Similar ratio
Find third proportional to 197,284.50 and 305,134.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.