Home / 18,372-39,654

Finding the Third Proportional to 18,372 and 39,654

Calculator

Solution

The third proportional to 18,372 and 39,654 is: 85,588.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,372 : 39,654 = 39,654 : x
  2. Step 2: Convert to fraction form
    18,372/39,654 = 39,654/x
  3. Step 3: Cross multiply
    18,372x = 39,654 × 39,654
  4. Step 4: Simplify right side
    18,372x = 1,572,439,716
  5. Step 5: Solve for x
    x = 1,572,439,716/18,372
  6. Step 6: Final answer
    x = 85,588.92

Related Problems

Find third proportional to 9,186 and 19,827
Half scale
Find third proportional to 36,744 and 79,308
Double scale
Find third proportional to 18,374 and 39,658
Similar ratio
Find third proportional to 27,558 and 59,481
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.