Home / 179,989-388,841

Finding the Third Proportional to 179,989 and 388,841

Calculator

Solution

The third proportional to 179,989 and 388,841 is: 840,036.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,989 : 388,841 = 388,841 : x
  2. Step 2: Convert to fraction form
    179,989/388,841 = 388,841/x
  3. Step 3: Cross multiply
    179,989x = 388,841 × 388,841
  4. Step 4: Simplify right side
    179,989x = 151,197,323,281
  5. Step 5: Solve for x
    x = 151,197,323,281/179,989
  6. Step 6: Final answer
    x = 840,036.46

Related Problems

Find third proportional to 89,994.50 and 194,420.50
Half scale
Find third proportional to 359,978 and 777,682
Double scale
Find third proportional to 179,991 and 388,845
Similar ratio
Find third proportional to 269,983.50 and 583,261.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.