Home / 117,538-258,402

Finding the Third Proportional to 117,538 and 258,402

Calculator

Solution

The third proportional to 117,538 and 258,402 is: 568,085.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,538 : 258,402 = 258,402 : x
  2. Step 2: Convert to fraction form
    117,538/258,402 = 258,402/x
  3. Step 3: Cross multiply
    117,538x = 258,402 × 258,402
  4. Step 4: Simplify right side
    117,538x = 66,771,593,604
  5. Step 5: Solve for x
    x = 66,771,593,604/117,538
  6. Step 6: Final answer
    x = 568,085.16

Related Problems

Find third proportional to 58,769 and 129,201
Half scale
Find third proportional to 235,076 and 516,804
Double scale
Find third proportional to 117,540 and 258,406
Similar ratio
Find third proportional to 176,307 and 387,603
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.