Home / 86,994-138,267

Finding the Third Proportional to 86,994 and 138,267

Calculator

Solution

The third proportional to 86,994 and 138,267 is: 219,759.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,994 : 138,267 = 138,267 : x
  2. Step 2: Convert to fraction form
    86,994/138,267 = 138,267/x
  3. Step 3: Cross multiply
    86,994x = 138,267 × 138,267
  4. Step 4: Simplify right side
    86,994x = 19,117,763,289
  5. Step 5: Solve for x
    x = 19,117,763,289/86,994
  6. Step 6: Final answer
    x = 219,759.56

Related Problems

Find third proportional to 43,497 and 69,133.50
Half scale
Find third proportional to 173,988 and 276,534
Double scale
Find third proportional to 86,996 and 138,270
Similar ratio
Find third proportional to 130,491 and 207,400.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.