Home / 131,489-288,008

Finding the Third Proportional to 131,489 and 288,008

Calculator

Solution

The third proportional to 131,489 and 288,008 is: 630,840.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,489 : 288,008 = 288,008 : x
  2. Step 2: Convert to fraction form
    131,489/288,008 = 288,008/x
  3. Step 3: Cross multiply
    131,489x = 288,008 × 288,008
  4. Step 4: Simplify right side
    131,489x = 82,948,608,064
  5. Step 5: Solve for x
    x = 82,948,608,064/131,489
  6. Step 6: Final answer
    x = 630,840.66

Related Problems

Find third proportional to 65,744.50 and 144,004
Half scale
Find third proportional to 262,978 and 576,016
Double scale
Find third proportional to 131,491 and 288,012
Similar ratio
Find third proportional to 197,233.50 and 432,012
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.