Home / 239,112-358,209

Finding the Third Proportional to 239,112 and 358,209

Calculator

Solution

The third proportional to 239,112 and 358,209 is: 536,625.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,112 : 358,209 = 358,209 : x
  2. Step 2: Convert to fraction form
    239,112/358,209 = 358,209/x
  3. Step 3: Cross multiply
    239,112x = 358,209 × 358,209
  4. Step 4: Simplify right side
    239,112x = 128,313,687,681
  5. Step 5: Solve for x
    x = 128,313,687,681/239,112
  6. Step 6: Final answer
    x = 536,625.88

Related Problems

Find third proportional to 119,556 and 179,104.50
Half scale
Find third proportional to 478,224 and 716,418
Double scale
Find third proportional to 239,114 and 358,212
Similar ratio
Find third proportional to 358,668 and 537,313.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.