Home / 268,190-397,646

Finding the Third Proportional to 268,190 and 397,646

Calculator

Solution

The third proportional to 268,190 and 397,646 is: 589,590.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,190 : 397,646 = 397,646 : x
  2. Step 2: Convert to fraction form
    268,190/397,646 = 397,646/x
  3. Step 3: Cross multiply
    268,190x = 397,646 × 397,646
  4. Step 4: Simplify right side
    268,190x = 158,122,341,316
  5. Step 5: Solve for x
    x = 158,122,341,316/268,190
  6. Step 6: Final answer
    x = 589,590.74

Related Problems

Find third proportional to 134,095 and 198,823
Half scale
Find third proportional to 536,380 and 795,292
Double scale
Find third proportional to 268,192 and 397,649
Similar ratio
Find third proportional to 402,285 and 596,469
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.