Home / 306,884-656,412

Finding the Third Proportional to 306,884 and 656,412

Calculator

Solution

The third proportional to 306,884 and 656,412 is: 1,404,037.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,884 : 656,412 = 656,412 : x
  2. Step 2: Convert to fraction form
    306,884/656,412 = 656,412/x
  3. Step 3: Cross multiply
    306,884x = 656,412 × 656,412
  4. Step 4: Simplify right side
    306,884x = 430,876,713,744
  5. Step 5: Solve for x
    x = 430,876,713,744/306,884
  6. Step 6: Final answer
    x = 1,404,037.73

Related Problems

Find third proportional to 153,442 and 328,206
Half scale
Find third proportional to 613,768 and 1,312,824
Double scale
Find third proportional to 306,886 and 656,416
Similar ratio
Find third proportional to 460,326 and 984,618
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.