Home / 71,432-136,384

Finding the Third Proportional to 71,432 and 136,384

Calculator

Solution

The third proportional to 71,432 and 136,384 is: 260,395.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,432 : 136,384 = 136,384 : x
  2. Step 2: Convert to fraction form
    71,432/136,384 = 136,384/x
  3. Step 3: Cross multiply
    71,432x = 136,384 × 136,384
  4. Step 4: Simplify right side
    71,432x = 18,600,595,456
  5. Step 5: Solve for x
    x = 18,600,595,456/71,432
  6. Step 6: Final answer
    x = 260,395.84

Related Problems

Find third proportional to 35,716 and 68,192
Half scale
Find third proportional to 142,864 and 272,768
Double scale
Find third proportional to 71,434 and 136,388
Similar ratio
Find third proportional to 107,148 and 204,576
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.91) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.