Home / 217,754-342,186

Finding the Third Proportional to 217,754 and 342,186

Calculator

Solution

The third proportional to 217,754 and 342,186 is: 537,722.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,754 : 342,186 = 342,186 : x
  2. Step 2: Convert to fraction form
    217,754/342,186 = 342,186/x
  3. Step 3: Cross multiply
    217,754x = 342,186 × 342,186
  4. Step 4: Simplify right side
    217,754x = 117,091,258,596
  5. Step 5: Solve for x
    x = 117,091,258,596/217,754
  6. Step 6: Final answer
    x = 537,722.65

Related Problems

Find third proportional to 108,877 and 171,093
Half scale
Find third proportional to 435,508 and 684,372
Double scale
Find third proportional to 217,756 and 342,189
Similar ratio
Find third proportional to 326,631 and 513,279
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.