Home / 229,372-539,720

Finding the Third Proportional to 229,372 and 539,720

Calculator

Solution

The third proportional to 229,372 and 539,720 is: 1,269,979.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,372 : 539,720 = 539,720 : x
  2. Step 2: Convert to fraction form
    229,372/539,720 = 539,720/x
  3. Step 3: Cross multiply
    229,372x = 539,720 × 539,720
  4. Step 4: Simplify right side
    229,372x = 291,297,678,400
  5. Step 5: Solve for x
    x = 291,297,678,400/229,372
  6. Step 6: Final answer
    x = 1,269,979.24

Related Problems

Find third proportional to 114,686 and 269,860
Half scale
Find third proportional to 458,744 and 1,079,440
Double scale
Find third proportional to 229,374 and 539,725
Similar ratio
Find third proportional to 344,058 and 809,580
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.