Home / 55,780-79,514

Finding the Third Proportional to 55,780 and 79,514

Calculator

Solution

The third proportional to 55,780 and 79,514 is: 113,346.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,780 : 79,514 = 79,514 : x
  2. Step 2: Convert to fraction form
    55,780/79,514 = 79,514/x
  3. Step 3: Cross multiply
    55,780x = 79,514 × 79,514
  4. Step 4: Simplify right side
    55,780x = 6,322,476,196
  5. Step 5: Solve for x
    x = 6,322,476,196/55,780
  6. Step 6: Final answer
    x = 113,346.65

Related Problems

Find third proportional to 27,890 and 39,757
Half scale
Find third proportional to 111,560 and 159,028
Double scale
Find third proportional to 55,782 and 79,517
Similar ratio
Find third proportional to 83,670 and 119,271
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.