Home / 81,738-127,344

Finding the Third Proportional to 81,738 and 127,344

Calculator

Solution

The third proportional to 81,738 and 127,344 is: 198,396.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,738 : 127,344 = 127,344 : x
  2. Step 2: Convert to fraction form
    81,738/127,344 = 127,344/x
  3. Step 3: Cross multiply
    81,738x = 127,344 × 127,344
  4. Step 4: Simplify right side
    81,738x = 16,216,494,336
  5. Step 5: Solve for x
    x = 16,216,494,336/81,738
  6. Step 6: Final answer
    x = 198,396.03

Related Problems

Find third proportional to 40,869 and 63,672
Half scale
Find third proportional to 163,476 and 254,688
Double scale
Find third proportional to 81,740 and 127,347
Similar ratio
Find third proportional to 122,607 and 191,016
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.