Home / 10,372-18,638

Finding the Third Proportional to 10,372 and 18,638

Calculator

Solution

The third proportional to 10,372 and 18,638 is: 33,491.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,372 : 18,638 = 18,638 : x
  2. Step 2: Convert to fraction form
    10,372/18,638 = 18,638/x
  3. Step 3: Cross multiply
    10,372x = 18,638 × 18,638
  4. Step 4: Simplify right side
    10,372x = 347,375,044
  5. Step 5: Solve for x
    x = 347,375,044/10,372
  6. Step 6: Final answer
    x = 33,491.62

Related Problems

Find third proportional to 5,186 and 9,319
Half scale
Find third proportional to 20,744 and 37,276
Double scale
Find third proportional to 10,374 and 18,642
Similar ratio
Find third proportional to 15,558 and 27,957
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.80) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.