Home / 259,209-370,669

Finding the Third Proportional to 259,209 and 370,669

Calculator

Solution

The third proportional to 259,209 and 370,669 is: 530,056.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,209 : 370,669 = 370,669 : x
  2. Step 2: Convert to fraction form
    259,209/370,669 = 370,669/x
  3. Step 3: Cross multiply
    259,209x = 370,669 × 370,669
  4. Step 4: Simplify right side
    259,209x = 137,395,507,561
  5. Step 5: Solve for x
    x = 137,395,507,561/259,209
  6. Step 6: Final answer
    x = 530,056.86

Related Problems

Find third proportional to 129,604.50 and 185,334.50
Half scale
Find third proportional to 518,418 and 741,338
Double scale
Find third proportional to 259,211 and 370,672
Similar ratio
Find third proportional to 388,813.50 and 556,003.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.