Home / 339,494-706,880

Finding the Third Proportional to 339,494 and 706,880

Calculator

Solution

The third proportional to 339,494 and 706,880 is: 1,471,835.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,494 : 706,880 = 706,880 : x
  2. Step 2: Convert to fraction form
    339,494/706,880 = 706,880/x
  3. Step 3: Cross multiply
    339,494x = 706,880 × 706,880
  4. Step 4: Simplify right side
    339,494x = 499,679,334,400
  5. Step 5: Solve for x
    x = 499,679,334,400/339,494
  6. Step 6: Final answer
    x = 1,471,835.54

Related Problems

Find third proportional to 169,747 and 353,440
Half scale
Find third proportional to 678,988 and 1,413,760
Double scale
Find third proportional to 339,496 and 706,884
Similar ratio
Find third proportional to 509,241 and 1,060,320
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.