Home / 143,514-314,235

Finding the Third Proportional to 143,514 and 314,235

Calculator

Solution

The third proportional to 143,514 and 314,235 is: 688,041.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,514 : 314,235 = 314,235 : x
  2. Step 2: Convert to fraction form
    143,514/314,235 = 314,235/x
  3. Step 3: Cross multiply
    143,514x = 314,235 × 314,235
  4. Step 4: Simplify right side
    143,514x = 98,743,635,225
  5. Step 5: Solve for x
    x = 98,743,635,225/143,514
  6. Step 6: Final answer
    x = 688,041.83

Related Problems

Find third proportional to 71,757 and 157,117.50
Half scale
Find third proportional to 287,028 and 628,470
Double scale
Find third proportional to 143,516 and 314,239
Similar ratio
Find third proportional to 215,271 and 471,352.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.