Home / 274,208-434,544

Finding the Third Proportional to 274,208 and 434,544

Calculator

Solution

The third proportional to 274,208 and 434,544 is: 688,632.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,208 : 434,544 = 434,544 : x
  2. Step 2: Convert to fraction form
    274,208/434,544 = 434,544/x
  3. Step 3: Cross multiply
    274,208x = 434,544 × 434,544
  4. Step 4: Simplify right side
    274,208x = 188,828,487,936
  5. Step 5: Solve for x
    x = 188,828,487,936/274,208
  6. Step 6: Final answer
    x = 688,632.31

Related Problems

Find third proportional to 137,104 and 217,272
Half scale
Find third proportional to 548,416 and 869,088
Double scale
Find third proportional to 274,210 and 434,547
Similar ratio
Find third proportional to 411,312 and 651,816
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.