Home / 320,628-500,352

Finding the Third Proportional to 320,628 and 500,352

Calculator

Solution

The third proportional to 320,628 and 500,352 is: 780,818.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,628 : 500,352 = 500,352 : x
  2. Step 2: Convert to fraction form
    320,628/500,352 = 500,352/x
  3. Step 3: Cross multiply
    320,628x = 500,352 × 500,352
  4. Step 4: Simplify right side
    320,628x = 250,352,123,904
  5. Step 5: Solve for x
    x = 250,352,123,904/320,628
  6. Step 6: Final answer
    x = 780,818.03

Related Problems

Find third proportional to 160,314 and 250,176
Half scale
Find third proportional to 641,256 and 1,000,704
Double scale
Find third proportional to 320,630 and 500,355
Similar ratio
Find third proportional to 480,942 and 750,528
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.