Home / 118,346-258,805

Finding the Third Proportional to 118,346 and 258,805

Calculator

Solution

The third proportional to 118,346 and 258,805 is: 565,967.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,346 : 258,805 = 258,805 : x
  2. Step 2: Convert to fraction form
    118,346/258,805 = 258,805/x
  3. Step 3: Cross multiply
    118,346x = 258,805 × 258,805
  4. Step 4: Simplify right side
    118,346x = 66,980,028,025
  5. Step 5: Solve for x
    x = 66,980,028,025/118,346
  6. Step 6: Final answer
    x = 565,967.82

Related Problems

Find third proportional to 59,173 and 129,402.50
Half scale
Find third proportional to 236,692 and 517,610
Double scale
Find third proportional to 118,348 and 258,809
Similar ratio
Find third proportional to 177,519 and 388,207.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.