Home / 154,785-239,237

Finding the Third Proportional to 154,785 and 239,237

Calculator

Solution

The third proportional to 154,785 and 239,237 is: 369,766.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,785 : 239,237 = 239,237 : x
  2. Step 2: Convert to fraction form
    154,785/239,237 = 239,237/x
  3. Step 3: Cross multiply
    154,785x = 239,237 × 239,237
  4. Step 4: Simplify right side
    154,785x = 57,234,342,169
  5. Step 5: Solve for x
    x = 57,234,342,169/154,785
  6. Step 6: Final answer
    x = 369,766.72

Related Problems

Find third proportional to 77,392.50 and 119,618.50
Half scale
Find third proportional to 309,570 and 478,474
Double scale
Find third proportional to 154,787 and 239,240
Similar ratio
Find third proportional to 232,177.50 and 358,855.50
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.