Home / 235,316-355,143

Finding the Third Proportional to 235,316 and 355,143

Calculator

Solution

The third proportional to 235,316 and 355,143 is: 535,987.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,316 : 355,143 = 355,143 : x
  2. Step 2: Convert to fraction form
    235,316/355,143 = 355,143/x
  3. Step 3: Cross multiply
    235,316x = 355,143 × 355,143
  4. Step 4: Simplify right side
    235,316x = 126,126,550,449
  5. Step 5: Solve for x
    x = 126,126,550,449/235,316
  6. Step 6: Final answer
    x = 535,987.99

Related Problems

Find third proportional to 117,658 and 177,571.50
Half scale
Find third proportional to 470,632 and 710,286
Double scale
Find third proportional to 235,318 and 355,146
Similar ratio
Find third proportional to 352,974 and 532,714.50
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.