Home / 153,890-240,555

Finding the Third Proportional to 153,890 and 240,555

Calculator

Solution

The third proportional to 153,890 and 240,555 is: 376,026.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,890 : 240,555 = 240,555 : x
  2. Step 2: Convert to fraction form
    153,890/240,555 = 240,555/x
  3. Step 3: Cross multiply
    153,890x = 240,555 × 240,555
  4. Step 4: Simplify right side
    153,890x = 57,866,708,025
  5. Step 5: Solve for x
    x = 57,866,708,025/153,890
  6. Step 6: Final answer
    x = 376,026.43

Related Problems

Find third proportional to 76,945 and 120,277.50
Half scale
Find third proportional to 307,780 and 481,110
Double scale
Find third proportional to 153,892 and 240,558
Similar ratio
Find third proportional to 230,835 and 360,832.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.