Home / 28,980-38,772

Finding the Third Proportional to 28,980 and 38,772

Calculator

Solution

The third proportional to 28,980 and 38,772 is: 51,872.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,980 : 38,772 = 38,772 : x
  2. Step 2: Convert to fraction form
    28,980/38,772 = 38,772/x
  3. Step 3: Cross multiply
    28,980x = 38,772 × 38,772
  4. Step 4: Simplify right side
    28,980x = 1,503,267,984
  5. Step 5: Solve for x
    x = 1,503,267,984/28,980
  6. Step 6: Final answer
    x = 51,872.60

Related Problems

Find third proportional to 14,490 and 19,386
Half scale
Find third proportional to 57,960 and 77,544
Double scale
Find third proportional to 28,982 and 38,775
Similar ratio
Find third proportional to 43,470 and 58,158
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.