Home / 339,415.50-670,267.50

Finding the Third Proportional to 339,415.50 and 670,267.50

Calculator

Solution

The third proportional to 339,415.50 and 670,267.50 is: 1,323,624.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,415.50 : 670,267.50 = 670,267.50 : x
  2. Step 2: Convert to fraction form
    339,415.50/670,267.50 = 670,267.50/x
  3. Step 3: Cross multiply
    339,415.50x = 670,267.50 × 670,267.50
  4. Step 4: Simplify right side
    339,415.50x = 449,258,521,556.25
  5. Step 5: Solve for x
    x = 449,258,521,556.25/339,415.50
  6. Step 6: Final answer
    x = 1,323,624.06

Related Problems

Find third proportional to 169,707.75 and 335,133.75
Half scale
Find third proportional to 678,831 and 1,340,535
Double scale
Find third proportional to 339,418 and 670,271
Similar ratio
Find third proportional to 509,123.25 and 1,005,401.25
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.97) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.