Home / 9,955-21,464

Finding the Third Proportional to 9,955 and 21,464

Calculator

Solution

The third proportional to 9,955 and 21,464 is: 46,278.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,955 : 21,464 = 21,464 : x
  2. Step 2: Convert to fraction form
    9,955/21,464 = 21,464/x
  3. Step 3: Cross multiply
    9,955x = 21,464 × 21,464
  4. Step 4: Simplify right side
    9,955x = 460,703,296
  5. Step 5: Solve for x
    x = 460,703,296/9,955
  6. Step 6: Final answer
    x = 46,278.58

Related Problems

Find third proportional to 4,977.50 and 10,732
Half scale
Find third proportional to 19,910 and 42,928
Double scale
Find third proportional to 9,957 and 21,468
Similar ratio
Find third proportional to 14,932.50 and 32,196
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.