Home / 117,976-259,280

Finding the Third Proportional to 117,976 and 259,280

Calculator

Solution

The third proportional to 117,976 and 259,280 is: 569,828.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,976 : 259,280 = 259,280 : x
  2. Step 2: Convert to fraction form
    117,976/259,280 = 259,280/x
  3. Step 3: Cross multiply
    117,976x = 259,280 × 259,280
  4. Step 4: Simplify right side
    117,976x = 67,226,118,400
  5. Step 5: Solve for x
    x = 67,226,118,400/117,976
  6. Step 6: Final answer
    x = 569,828.77

Related Problems

Find third proportional to 58,988 and 129,640
Half scale
Find third proportional to 235,952 and 518,560
Double scale
Find third proportional to 117,978 and 259,284
Similar ratio
Find third proportional to 176,964 and 388,920
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.