Home / 158,608-215,305

Finding the Third Proportional to 158,608 and 215,305

Calculator

Solution

The third proportional to 158,608 and 215,305 is: 292,269.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,608 : 215,305 = 215,305 : x
  2. Step 2: Convert to fraction form
    158,608/215,305 = 215,305/x
  3. Step 3: Cross multiply
    158,608x = 215,305 × 215,305
  4. Step 4: Simplify right side
    158,608x = 46,356,243,025
  5. Step 5: Solve for x
    x = 46,356,243,025/158,608
  6. Step 6: Final answer
    x = 292,269.26

Related Problems

Find third proportional to 79,304 and 107,652.50
Half scale
Find third proportional to 317,216 and 430,610
Double scale
Find third proportional to 158,610 and 215,308
Similar ratio
Find third proportional to 237,912 and 322,957.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.