Home / 19,778-43,203

Finding the Third Proportional to 19,778 and 43,203

Calculator

Solution

The third proportional to 19,778 and 43,203 is: 94,372.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,778 : 43,203 = 43,203 : x
  2. Step 2: Convert to fraction form
    19,778/43,203 = 43,203/x
  3. Step 3: Cross multiply
    19,778x = 43,203 × 43,203
  4. Step 4: Simplify right side
    19,778x = 1,866,499,209
  5. Step 5: Solve for x
    x = 1,866,499,209/19,778
  6. Step 6: Final answer
    x = 94,372.50

Related Problems

Find third proportional to 9,889 and 21,601.50
Half scale
Find third proportional to 39,556 and 86,406
Double scale
Find third proportional to 19,780 and 43,207
Similar ratio
Find third proportional to 29,667 and 64,804.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.