Home / 339,456-706,803

Finding the Third Proportional to 339,456 and 706,803

Calculator

Solution

The third proportional to 339,456 and 706,803 is: 1,471,679.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,456 : 706,803 = 706,803 : x
  2. Step 2: Convert to fraction form
    339,456/706,803 = 706,803/x
  3. Step 3: Cross multiply
    339,456x = 706,803 × 706,803
  4. Step 4: Simplify right side
    339,456x = 499,570,480,809
  5. Step 5: Solve for x
    x = 499,570,480,809/339,456
  6. Step 6: Final answer
    x = 1,471,679.63

Related Problems

Find third proportional to 169,728 and 353,401.50
Half scale
Find third proportional to 678,912 and 1,413,606
Double scale
Find third proportional to 339,458 and 706,807
Similar ratio
Find third proportional to 509,184 and 1,060,204.50
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.