Home / 169,356-259,890

Finding the Third Proportional to 169,356 and 259,890

Calculator

Solution

The third proportional to 169,356 and 259,890 is: 398,821.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,356 : 259,890 = 259,890 : x
  2. Step 2: Convert to fraction form
    169,356/259,890 = 259,890/x
  3. Step 3: Cross multiply
    169,356x = 259,890 × 259,890
  4. Step 4: Simplify right side
    169,356x = 67,542,812,100
  5. Step 5: Solve for x
    x = 67,542,812,100/169,356
  6. Step 6: Final answer
    x = 398,821.49

Related Problems

Find third proportional to 84,678 and 129,945
Half scale
Find third proportional to 338,712 and 519,780
Double scale
Find third proportional to 169,358 and 259,893
Similar ratio
Find third proportional to 254,034 and 389,835
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.