Home / 434,522-691,419

Finding the Third Proportional to 434,522 and 691,419

Calculator

Solution

The third proportional to 434,522 and 691,419 is: 1,100,198.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,522 : 691,419 = 691,419 : x
  2. Step 2: Convert to fraction form
    434,522/691,419 = 691,419/x
  3. Step 3: Cross multiply
    434,522x = 691,419 × 691,419
  4. Step 4: Simplify right side
    434,522x = 478,060,233,561
  5. Step 5: Solve for x
    x = 478,060,233,561/434,522
  6. Step 6: Final answer
    x = 1,100,198.00

Related Problems

Find third proportional to 217,261 and 345,709.50
Half scale
Find third proportional to 869,044 and 1,382,838
Double scale
Find third proportional to 434,524 and 691,422
Similar ratio
Find third proportional to 651,783 and 1,037,128.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.