Home / 131,356-208,031

Finding the Third Proportional to 131,356 and 208,031

Calculator

Solution

The third proportional to 131,356 and 208,031 is: 329,462.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,356 : 208,031 = 208,031 : x
  2. Step 2: Convert to fraction form
    131,356/208,031 = 208,031/x
  3. Step 3: Cross multiply
    131,356x = 208,031 × 208,031
  4. Step 4: Simplify right side
    131,356x = 43,276,896,961
  5. Step 5: Solve for x
    x = 43,276,896,961/131,356
  6. Step 6: Final answer
    x = 329,462.66

Related Problems

Find third proportional to 65,678 and 104,015.50
Half scale
Find third proportional to 262,712 and 416,062
Double scale
Find third proportional to 131,358 and 208,034
Similar ratio
Find third proportional to 197,034 and 312,046.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.