Home / 54,286-84,047

Finding the Third Proportional to 54,286 and 84,047

Calculator

Solution

The third proportional to 54,286 and 84,047 is: 130,123.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,286 : 84,047 = 84,047 : x
  2. Step 2: Convert to fraction form
    54,286/84,047 = 84,047/x
  3. Step 3: Cross multiply
    54,286x = 84,047 × 84,047
  4. Step 4: Simplify right side
    54,286x = 7,063,898,209
  5. Step 5: Solve for x
    x = 7,063,898,209/54,286
  6. Step 6: Final answer
    x = 130,123.76

Related Problems

Find third proportional to 27,143 and 42,023.50
Half scale
Find third proportional to 108,572 and 168,094
Double scale
Find third proportional to 54,288 and 84,050
Similar ratio
Find third proportional to 81,429 and 126,070.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.