Home / 253,440-354,326

Finding the Third Proportional to 253,440 and 354,326

Calculator

Solution

The third proportional to 253,440 and 354,326 is: 495,371.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,440 : 354,326 = 354,326 : x
  2. Step 2: Convert to fraction form
    253,440/354,326 = 354,326/x
  3. Step 3: Cross multiply
    253,440x = 354,326 × 354,326
  4. Step 4: Simplify right side
    253,440x = 125,546,914,276
  5. Step 5: Solve for x
    x = 125,546,914,276/253,440
  6. Step 6: Final answer
    x = 495,371.35

Related Problems

Find third proportional to 126,720 and 177,163
Half scale
Find third proportional to 506,880 and 708,652
Double scale
Find third proportional to 253,442 and 354,329
Similar ratio
Find third proportional to 380,160 and 531,489
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.