Home / 42,214-66,843

Finding the Third Proportional to 42,214 and 66,843

Calculator

Solution

The third proportional to 42,214 and 66,843 is: 105,841.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,214 : 66,843 = 66,843 : x
  2. Step 2: Convert to fraction form
    42,214/66,843 = 66,843/x
  3. Step 3: Cross multiply
    42,214x = 66,843 × 66,843
  4. Step 4: Simplify right side
    42,214x = 4,467,986,649
  5. Step 5: Solve for x
    x = 4,467,986,649/42,214
  6. Step 6: Final answer
    x = 105,841.35

Related Problems

Find third proportional to 21,107 and 33,421.50
Half scale
Find third proportional to 84,428 and 133,686
Double scale
Find third proportional to 42,216 and 66,846
Similar ratio
Find third proportional to 63,321 and 100,264.50
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.