Home / 42,928-66,414

Finding the Third Proportional to 42,928 and 66,414

Calculator

Solution

The third proportional to 42,928 and 66,414 is: 102,749.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,928 : 66,414 = 66,414 : x
  2. Step 2: Convert to fraction form
    42,928/66,414 = 66,414/x
  3. Step 3: Cross multiply
    42,928x = 66,414 × 66,414
  4. Step 4: Simplify right side
    42,928x = 4,410,819,396
  5. Step 5: Solve for x
    x = 4,410,819,396/42,928
  6. Step 6: Final answer
    x = 102,749.24

Related Problems

Find third proportional to 21,464 and 33,207
Half scale
Find third proportional to 85,856 and 132,828
Double scale
Find third proportional to 42,930 and 66,417
Similar ratio
Find third proportional to 64,392 and 99,621
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.