Home / 21,289-46,178

Finding the Third Proportional to 21,289 and 46,178

Calculator

Solution

The third proportional to 21,289 and 46,178 is: 100,164.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,289 : 46,178 = 46,178 : x
  2. Step 2: Convert to fraction form
    21,289/46,178 = 46,178/x
  3. Step 3: Cross multiply
    21,289x = 46,178 × 46,178
  4. Step 4: Simplify right side
    21,289x = 2,132,407,684
  5. Step 5: Solve for x
    x = 2,132,407,684/21,289
  6. Step 6: Final answer
    x = 100,164.77

Related Problems

Find third proportional to 10,644.50 and 23,089
Half scale
Find third proportional to 42,578 and 92,356
Double scale
Find third proportional to 21,291 and 46,182
Similar ratio
Find third proportional to 31,933.50 and 69,267
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.