Home / 40,698-85,842

Finding the Third Proportional to 40,698 and 85,842

Calculator

Solution

The third proportional to 40,698 and 85,842 is: 181,061.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,698 : 85,842 = 85,842 : x
  2. Step 2: Convert to fraction form
    40,698/85,842 = 85,842/x
  3. Step 3: Cross multiply
    40,698x = 85,842 × 85,842
  4. Step 4: Simplify right side
    40,698x = 7,368,848,964
  5. Step 5: Solve for x
    x = 7,368,848,964/40,698
  6. Step 6: Final answer
    x = 181,061.70

Related Problems

Find third proportional to 20,349 and 42,921
Half scale
Find third proportional to 81,396 and 171,684
Double scale
Find third proportional to 40,700 and 85,846
Similar ratio
Find third proportional to 61,047 and 128,763
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.