Home / 28,572-43,428

Finding the Third Proportional to 28,572 and 43,428

Calculator

Solution

The third proportional to 28,572 and 43,428 is: 66,008.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,572 : 43,428 = 43,428 : x
  2. Step 2: Convert to fraction form
    28,572/43,428 = 43,428/x
  3. Step 3: Cross multiply
    28,572x = 43,428 × 43,428
  4. Step 4: Simplify right side
    28,572x = 1,885,991,184
  5. Step 5: Solve for x
    x = 1,885,991,184/28,572
  6. Step 6: Final answer
    x = 66,008.37

Related Problems

Find third proportional to 14,286 and 21,714
Half scale
Find third proportional to 57,144 and 86,856
Double scale
Find third proportional to 28,574 and 43,431
Similar ratio
Find third proportional to 42,858 and 65,142
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.