Home / 208,923-318,282

Finding the Third Proportional to 208,923 and 318,282

Calculator

Solution

The third proportional to 208,923 and 318,282 is: 484,884.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,923 : 318,282 = 318,282 : x
  2. Step 2: Convert to fraction form
    208,923/318,282 = 318,282/x
  3. Step 3: Cross multiply
    208,923x = 318,282 × 318,282
  4. Step 4: Simplify right side
    208,923x = 101,303,431,524
  5. Step 5: Solve for x
    x = 101,303,431,524/208,923
  6. Step 6: Final answer
    x = 484,884.06

Related Problems

Find third proportional to 104,461.50 and 159,141
Half scale
Find third proportional to 417,846 and 636,564
Double scale
Find third proportional to 208,925 and 318,285
Similar ratio
Find third proportional to 313,384.50 and 477,423
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.