Home / 77,489-119,687

Finding the Third Proportional to 77,489 and 119,687

Calculator

Solution

The third proportional to 77,489 and 119,687 is: 184,864.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,489 : 119,687 = 119,687 : x
  2. Step 2: Convert to fraction form
    77,489/119,687 = 119,687/x
  3. Step 3: Cross multiply
    77,489x = 119,687 × 119,687
  4. Step 4: Simplify right side
    77,489x = 14,324,977,969
  5. Step 5: Solve for x
    x = 14,324,977,969/77,489
  6. Step 6: Final answer
    x = 184,864.66

Related Problems

Find third proportional to 38,744.50 and 59,843.50
Half scale
Find third proportional to 154,978 and 239,374
Double scale
Find third proportional to 77,491 and 119,690
Similar ratio
Find third proportional to 116,233.50 and 179,530.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.