Home / 7,896-19,440

Finding the Third Proportional to 7,896 and 19,440

Calculator

Solution

The third proportional to 7,896 and 19,440 is: 47,861.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,896 : 19,440 = 19,440 : x
  2. Step 2: Convert to fraction form
    7,896/19,440 = 19,440/x
  3. Step 3: Cross multiply
    7,896x = 19,440 × 19,440
  4. Step 4: Simplify right side
    7,896x = 377,913,600
  5. Step 5: Solve for x
    x = 377,913,600/7,896
  6. Step 6: Final answer
    x = 47,861.40

Related Problems

Find third proportional to 3,948 and 9,720
Half scale
Find third proportional to 15,792 and 38,880
Double scale
Find third proportional to 7,898 and 19,445
Similar ratio
Find third proportional to 11,844 and 29,160
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.