Home / 324,940-434,670

Finding the Third Proportional to 324,940 and 434,670

Calculator

Solution

The third proportional to 324,940 and 434,670 is: 581,455.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,940 : 434,670 = 434,670 : x
  2. Step 2: Convert to fraction form
    324,940/434,670 = 434,670/x
  3. Step 3: Cross multiply
    324,940x = 434,670 × 434,670
  4. Step 4: Simplify right side
    324,940x = 188,938,008,900
  5. Step 5: Solve for x
    x = 188,938,008,900/324,940
  6. Step 6: Final answer
    x = 581,455.07

Related Problems

Find third proportional to 162,470 and 217,335
Half scale
Find third proportional to 649,880 and 869,340
Double scale
Find third proportional to 324,942 and 434,673
Similar ratio
Find third proportional to 487,410 and 652,005
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.