Home / 55,456-119,520

Finding the Third Proportional to 55,456 and 119,520

Calculator

Solution

The third proportional to 55,456 and 119,520 is: 257,592.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,456 : 119,520 = 119,520 : x
  2. Step 2: Convert to fraction form
    55,456/119,520 = 119,520/x
  3. Step 3: Cross multiply
    55,456x = 119,520 × 119,520
  4. Step 4: Simplify right side
    55,456x = 14,285,030,400
  5. Step 5: Solve for x
    x = 14,285,030,400/55,456
  6. Step 6: Final answer
    x = 257,592.15

Related Problems

Find third proportional to 27,728 and 59,760
Half scale
Find third proportional to 110,912 and 239,040
Double scale
Find third proportional to 55,458 and 119,524
Similar ratio
Find third proportional to 83,184 and 179,280
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.