Home / 209,226-268,641

Finding the Third Proportional to 209,226 and 268,641

Calculator

Solution

The third proportional to 209,226 and 268,641 is: 344,928.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,226 : 268,641 = 268,641 : x
  2. Step 2: Convert to fraction form
    209,226/268,641 = 268,641/x
  3. Step 3: Cross multiply
    209,226x = 268,641 × 268,641
  4. Step 4: Simplify right side
    209,226x = 72,167,986,881
  5. Step 5: Solve for x
    x = 72,167,986,881/209,226
  6. Step 6: Final answer
    x = 344,928.39

Related Problems

Find third proportional to 104,613 and 134,320.50
Half scale
Find third proportional to 418,452 and 537,282
Double scale
Find third proportional to 209,228 and 268,644
Similar ratio
Find third proportional to 313,839 and 402,961.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.28) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.