Home / 55,636-86,304

Finding the Third Proportional to 55,636 and 86,304

Calculator

Solution

The third proportional to 55,636 and 86,304 is: 133,876.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,636 : 86,304 = 86,304 : x
  2. Step 2: Convert to fraction form
    55,636/86,304 = 86,304/x
  3. Step 3: Cross multiply
    55,636x = 86,304 × 86,304
  4. Step 4: Simplify right side
    55,636x = 7,448,380,416
  5. Step 5: Solve for x
    x = 7,448,380,416/55,636
  6. Step 6: Final answer
    x = 133,876.99

Related Problems

Find third proportional to 27,818 and 43,152
Half scale
Find third proportional to 111,272 and 172,608
Double scale
Find third proportional to 55,638 and 86,307
Similar ratio
Find third proportional to 83,454 and 129,456
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.