Home / 100,117-177,976

Finding the Third Proportional to 100,117 and 177,976

Calculator

Solution

The third proportional to 100,117 and 177,976 is: 316,384.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,117 : 177,976 = 177,976 : x
  2. Step 2: Convert to fraction form
    100,117/177,976 = 177,976/x
  3. Step 3: Cross multiply
    100,117x = 177,976 × 177,976
  4. Step 4: Simplify right side
    100,117x = 31,675,456,576
  5. Step 5: Solve for x
    x = 31,675,456,576/100,117
  6. Step 6: Final answer
    x = 316,384.40

Related Problems

Find third proportional to 50,058.50 and 88,988
Half scale
Find third proportional to 200,234 and 355,952
Double scale
Find third proportional to 100,119 and 177,980
Similar ratio
Find third proportional to 150,175.50 and 266,964
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.78) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.