Home / 55,612-119,972

Finding the Third Proportional to 55,612 and 119,972

Calculator

Solution

The third proportional to 55,612 and 119,972 is: 258,816.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,612 : 119,972 = 119,972 : x
  2. Step 2: Convert to fraction form
    55,612/119,972 = 119,972/x
  3. Step 3: Cross multiply
    55,612x = 119,972 × 119,972
  4. Step 4: Simplify right side
    55,612x = 14,393,280,784
  5. Step 5: Solve for x
    x = 14,393,280,784/55,612
  6. Step 6: Final answer
    x = 258,816.10

Related Problems

Find third proportional to 27,806 and 59,986
Half scale
Find third proportional to 111,224 and 239,944
Double scale
Find third proportional to 55,614 and 119,976
Similar ratio
Find third proportional to 83,418 and 179,958
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.