Home / 27,672-42,318

Finding the Third Proportional to 27,672 and 42,318

Calculator

Solution

The third proportional to 27,672 and 42,318 is: 64,715.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,672 : 42,318 = 42,318 : x
  2. Step 2: Convert to fraction form
    27,672/42,318 = 42,318/x
  3. Step 3: Cross multiply
    27,672x = 42,318 × 42,318
  4. Step 4: Simplify right side
    27,672x = 1,790,813,124
  5. Step 5: Solve for x
    x = 1,790,813,124/27,672
  6. Step 6: Final answer
    x = 64,715.71

Related Problems

Find third proportional to 13,836 and 21,159
Half scale
Find third proportional to 55,344 and 84,636
Double scale
Find third proportional to 27,674 and 42,321
Similar ratio
Find third proportional to 41,508 and 63,477
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.