Home / 155,914-235,281

Finding the Third Proportional to 155,914 and 235,281

Calculator

Solution

The third proportional to 155,914 and 235,281 is: 355,049.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,914 : 235,281 = 235,281 : x
  2. Step 2: Convert to fraction form
    155,914/235,281 = 235,281/x
  3. Step 3: Cross multiply
    155,914x = 235,281 × 235,281
  4. Step 4: Simplify right side
    155,914x = 55,357,148,961
  5. Step 5: Solve for x
    x = 55,357,148,961/155,914
  6. Step 6: Final answer
    x = 355,049.25

Related Problems

Find third proportional to 77,957 and 117,640.50
Half scale
Find third proportional to 311,828 and 470,562
Double scale
Find third proportional to 155,916 and 235,284
Similar ratio
Find third proportional to 233,871 and 352,921.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.