Home / 8,392-15,740

Finding the Third Proportional to 8,392 and 15,740

Calculator

Solution

The third proportional to 8,392 and 15,740 is: 29,521.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,392 : 15,740 = 15,740 : x
  2. Step 2: Convert to fraction form
    8,392/15,740 = 15,740/x
  3. Step 3: Cross multiply
    8,392x = 15,740 × 15,740
  4. Step 4: Simplify right side
    8,392x = 247,747,600
  5. Step 5: Solve for x
    x = 247,747,600/8,392
  6. Step 6: Final answer
    x = 29,521.88

Related Problems

Find third proportional to 4,196 and 7,870
Half scale
Find third proportional to 16,784 and 31,480
Double scale
Find third proportional to 8,394 and 15,744
Similar ratio
Find third proportional to 12,588 and 23,610
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.88) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.