Home / 9,150-11,850

Finding the Third Proportional to 9,150 and 11,850

Calculator

Solution

The third proportional to 9,150 and 11,850 is: 15,346.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,150 : 11,850 = 11,850 : x
  2. Step 2: Convert to fraction form
    9,150/11,850 = 11,850/x
  3. Step 3: Cross multiply
    9,150x = 11,850 × 11,850
  4. Step 4: Simplify right side
    9,150x = 140,422,500
  5. Step 5: Solve for x
    x = 140,422,500/9,150
  6. Step 6: Final answer
    x = 15,346.72

Related Problems

Find third proportional to 4,575 and 5,925
Half scale
Find third proportional to 18,300 and 23,700
Double scale
Find third proportional to 9,152 and 11,853
Similar ratio
Find third proportional to 13,725 and 17,775
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.30) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.