Home / 606-909

Finding the Third Proportional to 606 and 909

Calculator

Solution

The third proportional to 606 and 909 is: 1,363.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    606 : 909 = 909 : x
  2. Step 2: Convert to fraction form
    606/909 = 909/x
  3. Step 3: Cross multiply
    606x = 909 × 909
  4. Step 4: Simplify right side
    606x = 826,281
  5. Step 5: Solve for x
    x = 826,281/606
  6. Step 6: Final answer
    x = 1,363.50

Related Problems

Find third proportional to 303 and 454.50
Half scale
Find third proportional to 1,212 and 1,818
Double scale
Find third proportional to 608 and 912
Similar ratio
Find third proportional to 909 and 1,363.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.