Home / 10,176-19,840

Finding the Third Proportional to 10,176 and 19,840

Calculator

Solution

The third proportional to 10,176 and 19,840 is: 38,681.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,176 : 19,840 = 19,840 : x
  2. Step 2: Convert to fraction form
    10,176/19,840 = 19,840/x
  3. Step 3: Cross multiply
    10,176x = 19,840 × 19,840
  4. Step 4: Simplify right side
    10,176x = 393,625,600
  5. Step 5: Solve for x
    x = 393,625,600/10,176
  6. Step 6: Final answer
    x = 38,681.76

Related Problems

Find third proportional to 5,088 and 9,920
Half scale
Find third proportional to 20,352 and 39,680
Double scale
Find third proportional to 10,178 and 19,844
Similar ratio
Find third proportional to 15,264 and 29,760
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.95) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.