Home / 21,564-46,278

Finding the Third Proportional to 21,564 and 46,278

Calculator

Solution

The third proportional to 21,564 and 46,278 is: 99,316.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,564 : 46,278 = 46,278 : x
  2. Step 2: Convert to fraction form
    21,564/46,278 = 46,278/x
  3. Step 3: Cross multiply
    21,564x = 46,278 × 46,278
  4. Step 4: Simplify right side
    21,564x = 2,141,653,284
  5. Step 5: Solve for x
    x = 2,141,653,284/21,564
  6. Step 6: Final answer
    x = 99,316.14

Related Problems

Find third proportional to 10,782 and 23,139
Half scale
Find third proportional to 43,128 and 92,556
Double scale
Find third proportional to 21,566 and 46,282
Similar ratio
Find third proportional to 32,346 and 69,417
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.