Home / 238,932-345,390

Finding the Third Proportional to 238,932 and 345,390

Calculator

Solution

The third proportional to 238,932 and 345,390 is: 499,281.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,932 : 345,390 = 345,390 : x
  2. Step 2: Convert to fraction form
    238,932/345,390 = 345,390/x
  3. Step 3: Cross multiply
    238,932x = 345,390 × 345,390
  4. Step 4: Simplify right side
    238,932x = 119,294,252,100
  5. Step 5: Solve for x
    x = 119,294,252,100/238,932
  6. Step 6: Final answer
    x = 499,281.19

Related Problems

Find third proportional to 119,466 and 172,695
Half scale
Find third proportional to 477,864 and 690,780
Double scale
Find third proportional to 238,934 and 345,393
Similar ratio
Find third proportional to 358,398 and 518,085
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.