Home / 38,958-55,518

Finding the Third Proportional to 38,958 and 55,518

Calculator

Solution

The third proportional to 38,958 and 55,518 is: 79,117.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,958 : 55,518 = 55,518 : x
  2. Step 2: Convert to fraction form
    38,958/55,518 = 55,518/x
  3. Step 3: Cross multiply
    38,958x = 55,518 × 55,518
  4. Step 4: Simplify right side
    38,958x = 3,082,248,324
  5. Step 5: Solve for x
    x = 3,082,248,324/38,958
  6. Step 6: Final answer
    x = 79,117.21

Related Problems

Find third proportional to 19,479 and 27,759
Half scale
Find third proportional to 77,916 and 111,036
Double scale
Find third proportional to 38,960 and 55,521
Similar ratio
Find third proportional to 58,437 and 83,277
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.