Home / 127,926-205,420

Finding the Third Proportional to 127,926 and 205,420

Calculator

Solution

The third proportional to 127,926 and 205,420 is: 329,857.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,926 : 205,420 = 205,420 : x
  2. Step 2: Convert to fraction form
    127,926/205,420 = 205,420/x
  3. Step 3: Cross multiply
    127,926x = 205,420 × 205,420
  4. Step 4: Simplify right side
    127,926x = 42,197,376,400
  5. Step 5: Solve for x
    x = 42,197,376,400/127,926
  6. Step 6: Final answer
    x = 329,857.70

Related Problems

Find third proportional to 63,963 and 102,710
Half scale
Find third proportional to 255,852 and 410,840
Double scale
Find third proportional to 127,928 and 205,423
Similar ratio
Find third proportional to 191,889 and 308,130
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.