Home / 9,747-15,120

Finding the Third Proportional to 9,747 and 15,120

Calculator

Solution

The third proportional to 9,747 and 15,120 is: 23,454.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,747 : 15,120 = 15,120 : x
  2. Step 2: Convert to fraction form
    9,747/15,120 = 15,120/x
  3. Step 3: Cross multiply
    9,747x = 15,120 × 15,120
  4. Step 4: Simplify right side
    9,747x = 228,614,400
  5. Step 5: Solve for x
    x = 228,614,400/9,747
  6. Step 6: Final answer
    x = 23,454.85

Related Problems

Find third proportional to 4,873.50 and 7,560
Half scale
Find third proportional to 19,494 and 30,240
Double scale
Find third proportional to 9,749 and 15,123
Similar ratio
Find third proportional to 14,620.50 and 22,680
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.