Home / 81,830-127,001

Finding the Third Proportional to 81,830 and 127,001

Calculator

Solution

The third proportional to 81,830 and 127,001 is: 197,106.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,830 : 127,001 = 127,001 : x
  2. Step 2: Convert to fraction form
    81,830/127,001 = 127,001/x
  3. Step 3: Cross multiply
    81,830x = 127,001 × 127,001
  4. Step 4: Simplify right side
    81,830x = 16,129,254,001
  5. Step 5: Solve for x
    x = 16,129,254,001/81,830
  6. Step 6: Final answer
    x = 197,106.86

Related Problems

Find third proportional to 40,915 and 63,500.50
Half scale
Find third proportional to 163,660 and 254,002
Double scale
Find third proportional to 81,832 and 127,004
Similar ratio
Find third proportional to 122,745 and 190,501.50
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.