Home / 339,176-669,816

Finding the Third Proportional to 339,176 and 669,816

Calculator

Solution

The third proportional to 339,176 and 669,816 is: 1,322,774.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,176 : 669,816 = 669,816 : x
  2. Step 2: Convert to fraction form
    339,176/669,816 = 669,816/x
  3. Step 3: Cross multiply
    339,176x = 669,816 × 669,816
  4. Step 4: Simplify right side
    339,176x = 448,653,473,856
  5. Step 5: Solve for x
    x = 448,653,473,856/339,176
  6. Step 6: Final answer
    x = 1,322,774.82

Related Problems

Find third proportional to 169,588 and 334,908
Half scale
Find third proportional to 678,352 and 1,339,632
Double scale
Find third proportional to 339,178 and 669,820
Similar ratio
Find third proportional to 508,764 and 1,004,724
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.