Home / 303,906-661,326

Finding the Third Proportional to 303,906 and 661,326

Calculator

Solution

The third proportional to 303,906 and 661,326 is: 1,439,103.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,906 : 661,326 = 661,326 : x
  2. Step 2: Convert to fraction form
    303,906/661,326 = 661,326/x
  3. Step 3: Cross multiply
    303,906x = 661,326 × 661,326
  4. Step 4: Simplify right side
    303,906x = 437,352,078,276
  5. Step 5: Solve for x
    x = 437,352,078,276/303,906
  6. Step 6: Final answer
    x = 1,439,103.14

Related Problems

Find third proportional to 151,953 and 330,663
Half scale
Find third proportional to 607,812 and 1,322,652
Double scale
Find third proportional to 303,908 and 661,330
Similar ratio
Find third proportional to 455,859 and 991,989
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.