Home / 179,907-345,720

Finding the Third Proportional to 179,907 and 345,720

Calculator

Solution

The third proportional to 179,907 and 345,720 is: 664,356.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,907 : 345,720 = 345,720 : x
  2. Step 2: Convert to fraction form
    179,907/345,720 = 345,720/x
  3. Step 3: Cross multiply
    179,907x = 345,720 × 345,720
  4. Step 4: Simplify right side
    179,907x = 119,522,318,400
  5. Step 5: Solve for x
    x = 119,522,318,400/179,907
  6. Step 6: Final answer
    x = 664,356.13

Related Problems

Find third proportional to 89,953.50 and 172,860
Half scale
Find third proportional to 359,814 and 691,440
Double scale
Find third proportional to 179,909 and 345,724
Similar ratio
Find third proportional to 269,860.50 and 518,580
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.92) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.