Home / 43,822-66,138

Finding the Third Proportional to 43,822 and 66,138

Calculator

Solution

The third proportional to 43,822 and 66,138 is: 99,818.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,822 : 66,138 = 66,138 : x
  2. Step 2: Convert to fraction form
    43,822/66,138 = 66,138/x
  3. Step 3: Cross multiply
    43,822x = 66,138 × 66,138
  4. Step 4: Simplify right side
    43,822x = 4,374,235,044
  5. Step 5: Solve for x
    x = 4,374,235,044/43,822
  6. Step 6: Final answer
    x = 99,818.24

Related Problems

Find third proportional to 21,911 and 33,069
Half scale
Find third proportional to 87,644 and 132,276
Double scale
Find third proportional to 43,824 and 66,141
Similar ratio
Find third proportional to 65,733 and 99,207
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.