Home / 12,276-18,506

Finding the Third Proportional to 12,276 and 18,506

Calculator

Solution

The third proportional to 12,276 and 18,506 is: 27,897.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,276 : 18,506 = 18,506 : x
  2. Step 2: Convert to fraction form
    12,276/18,506 = 18,506/x
  3. Step 3: Cross multiply
    12,276x = 18,506 × 18,506
  4. Step 4: Simplify right side
    12,276x = 342,472,036
  5. Step 5: Solve for x
    x = 342,472,036/12,276
  6. Step 6: Final answer
    x = 27,897.69

Related Problems

Find third proportional to 6,138 and 9,253
Half scale
Find third proportional to 24,552 and 37,012
Double scale
Find third proportional to 12,278 and 18,509
Similar ratio
Find third proportional to 18,414 and 27,759
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.