Home / 5,184-7,128

Finding the Third Proportional to 5,184 and 7,128

Calculator

Solution

The third proportional to 5,184 and 7,128 is: 9,801

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,184 : 7,128 = 7,128 : x
  2. Step 2: Convert to fraction form
    5,184/7,128 = 7,128/x
  3. Step 3: Cross multiply
    5,184x = 7,128 × 7,128
  4. Step 4: Simplify right side
    5,184x = 50,808,384
  5. Step 5: Solve for x
    x = 50,808,384/5,184
  6. Step 6: Final answer
    x = 9,801

Related Problems

Find third proportional to 2,592 and 3,564
Half scale
Find third proportional to 10,368 and 14,256
Double scale
Find third proportional to 5,186 and 7,131
Similar ratio
Find third proportional to 7,776 and 10,692
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.