Home / 280,922-619,107

Finding the Third Proportional to 280,922 and 619,107

Calculator

Solution

The third proportional to 280,922 and 619,107 is: 1,364,412.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,922 : 619,107 = 619,107 : x
  2. Step 2: Convert to fraction form
    280,922/619,107 = 619,107/x
  3. Step 3: Cross multiply
    280,922x = 619,107 × 619,107
  4. Step 4: Simplify right side
    280,922x = 383,293,477,449
  5. Step 5: Solve for x
    x = 383,293,477,449/280,922
  6. Step 6: Final answer
    x = 1,364,412.46

Related Problems

Find third proportional to 140,461 and 309,553.50
Half scale
Find third proportional to 561,844 and 1,238,214
Double scale
Find third proportional to 280,924 and 619,111
Similar ratio
Find third proportional to 421,383 and 928,660.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.