Home / 119,684-254,920

Finding the Third Proportional to 119,684 and 254,920

Calculator

Solution

The third proportional to 119,684 and 254,920 is: 542,964.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,684 : 254,920 = 254,920 : x
  2. Step 2: Convert to fraction form
    119,684/254,920 = 254,920/x
  3. Step 3: Cross multiply
    119,684x = 254,920 × 254,920
  4. Step 4: Simplify right side
    119,684x = 64,984,206,400
  5. Step 5: Solve for x
    x = 64,984,206,400/119,684
  6. Step 6: Final answer
    x = 542,964.86

Related Problems

Find third proportional to 59,842 and 127,460
Half scale
Find third proportional to 239,368 and 509,840
Double scale
Find third proportional to 119,686 and 254,924
Similar ratio
Find third proportional to 179,526 and 382,380
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.