Home / 2,952-6,840

Finding the Third Proportional to 2,952 and 6,840

Calculator

Solution

The third proportional to 2,952 and 6,840 is: 15,848.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,952 : 6,840 = 6,840 : x
  2. Step 2: Convert to fraction form
    2,952/6,840 = 6,840/x
  3. Step 3: Cross multiply
    2,952x = 6,840 × 6,840
  4. Step 4: Simplify right side
    2,952x = 46,785,600
  5. Step 5: Solve for x
    x = 46,785,600/2,952
  6. Step 6: Final answer
    x = 15,848.78

Related Problems

Find third proportional to 1,476 and 3,420
Half scale
Find third proportional to 5,904 and 13,680
Double scale
Find third proportional to 2,954 and 6,845
Similar ratio
Find third proportional to 4,428 and 10,260
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.