Home / 43,536-90,840

Finding the Third Proportional to 43,536 and 90,840

Calculator

Solution

The third proportional to 43,536 and 90,840 is: 189,542.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,536 : 90,840 = 90,840 : x
  2. Step 2: Convert to fraction form
    43,536/90,840 = 90,840/x
  3. Step 3: Cross multiply
    43,536x = 90,840 × 90,840
  4. Step 4: Simplify right side
    43,536x = 8,251,905,600
  5. Step 5: Solve for x
    x = 8,251,905,600/43,536
  6. Step 6: Final answer
    x = 189,542.12

Related Problems

Find third proportional to 21,768 and 45,420
Half scale
Find third proportional to 87,072 and 181,680
Double scale
Find third proportional to 43,538 and 90,844
Similar ratio
Find third proportional to 65,304 and 136,260
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.