Home / 281,678-626,326

Finding the Third Proportional to 281,678 and 626,326

Calculator

Solution

The third proportional to 281,678 and 626,326 is: 1,392,669.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,678 : 626,326 = 626,326 : x
  2. Step 2: Convert to fraction form
    281,678/626,326 = 626,326/x
  3. Step 3: Cross multiply
    281,678x = 626,326 × 626,326
  4. Step 4: Simplify right side
    281,678x = 392,284,258,276
  5. Step 5: Solve for x
    x = 392,284,258,276/281,678
  6. Step 6: Final answer
    x = 1,392,669.14

Related Problems

Find third proportional to 140,839 and 313,163
Half scale
Find third proportional to 563,356 and 1,252,652
Double scale
Find third proportional to 281,680 and 626,330
Similar ratio
Find third proportional to 422,517 and 939,489
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.