Home / 58,614-128,406

Finding the Third Proportional to 58,614 and 128,406

Calculator

Solution

The third proportional to 58,614 and 128,406 is: 281,299.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,614 : 128,406 = 128,406 : x
  2. Step 2: Convert to fraction form
    58,614/128,406 = 128,406/x
  3. Step 3: Cross multiply
    58,614x = 128,406 × 128,406
  4. Step 4: Simplify right side
    58,614x = 16,488,100,836
  5. Step 5: Solve for x
    x = 16,488,100,836/58,614
  6. Step 6: Final answer
    x = 281,299.70

Related Problems

Find third proportional to 29,307 and 64,203
Half scale
Find third proportional to 117,228 and 256,812
Double scale
Find third proportional to 58,616 and 128,410
Similar ratio
Find third proportional to 87,921 and 192,609
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.