Home / 58,459-128,834

Finding the Third Proportional to 58,459 and 128,834

Calculator

Solution

The third proportional to 58,459 and 128,834 is: 283,928.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,459 : 128,834 = 128,834 : x
  2. Step 2: Convert to fraction form
    58,459/128,834 = 128,834/x
  3. Step 3: Cross multiply
    58,459x = 128,834 × 128,834
  4. Step 4: Simplify right side
    58,459x = 16,598,199,556
  5. Step 5: Solve for x
    x = 16,598,199,556/58,459
  6. Step 6: Final answer
    x = 283,928.90

Related Problems

Find third proportional to 29,229.50 and 64,417
Half scale
Find third proportional to 116,918 and 257,668
Double scale
Find third proportional to 58,461 and 128,838
Similar ratio
Find third proportional to 87,688.50 and 193,251
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.