Home / 130,822-285,007

Finding the Third Proportional to 130,822 and 285,007

Calculator

Solution

The third proportional to 130,822 and 285,007 is: 620,912.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,822 : 285,007 = 285,007 : x
  2. Step 2: Convert to fraction form
    130,822/285,007 = 285,007/x
  3. Step 3: Cross multiply
    130,822x = 285,007 × 285,007
  4. Step 4: Simplify right side
    130,822x = 81,228,990,049
  5. Step 5: Solve for x
    x = 81,228,990,049/130,822
  6. Step 6: Final answer
    x = 620,912.31

Related Problems

Find third proportional to 65,411 and 142,503.50
Half scale
Find third proportional to 261,644 and 570,014
Double scale
Find third proportional to 130,824 and 285,011
Similar ratio
Find third proportional to 196,233 and 427,510.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.