Home / 7,954-12,547

Finding the Third Proportional to 7,954 and 12,547

Calculator

Solution

The third proportional to 7,954 and 12,547 is: 19,792.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,954 : 12,547 = 12,547 : x
  2. Step 2: Convert to fraction form
    7,954/12,547 = 12,547/x
  3. Step 3: Cross multiply
    7,954x = 12,547 × 12,547
  4. Step 4: Simplify right side
    7,954x = 157,427,209
  5. Step 5: Solve for x
    x = 157,427,209/7,954
  6. Step 6: Final answer
    x = 19,792.21

Related Problems

Find third proportional to 3,977 and 6,273.50
Half scale
Find third proportional to 15,908 and 25,094
Double scale
Find third proportional to 7,956 and 12,550
Similar ratio
Find third proportional to 11,931 and 18,820.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.