Home / 131,421-276,027

Finding the Third Proportional to 131,421 and 276,027

Calculator

Solution

The third proportional to 131,421 and 276,027 is: 579,746.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,421 : 276,027 = 276,027 : x
  2. Step 2: Convert to fraction form
    131,421/276,027 = 276,027/x
  3. Step 3: Cross multiply
    131,421x = 276,027 × 276,027
  4. Step 4: Simplify right side
    131,421x = 76,190,904,729
  5. Step 5: Solve for x
    x = 76,190,904,729/131,421
  6. Step 6: Final answer
    x = 579,746.80

Related Problems

Find third proportional to 65,710.50 and 138,013.50
Half scale
Find third proportional to 262,842 and 552,054
Double scale
Find third proportional to 131,423 and 276,031
Similar ratio
Find third proportional to 197,131.50 and 414,040.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.