Home / 91,260-138,132

Finding the Third Proportional to 91,260 and 138,132

Calculator

Solution

The third proportional to 91,260 and 138,132 is: 209,077.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,260 : 138,132 = 138,132 : x
  2. Step 2: Convert to fraction form
    91,260/138,132 = 138,132/x
  3. Step 3: Cross multiply
    91,260x = 138,132 × 138,132
  4. Step 4: Simplify right side
    91,260x = 19,080,449,424
  5. Step 5: Solve for x
    x = 19,080,449,424/91,260
  6. Step 6: Final answer
    x = 209,077.90

Related Problems

Find third proportional to 45,630 and 69,066
Half scale
Find third proportional to 182,520 and 276,264
Double scale
Find third proportional to 91,262 and 138,135
Similar ratio
Find third proportional to 136,890 and 207,198
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.