Home / 116,523-128,835

Finding the Third Proportional to 116,523 and 128,835

Calculator

Solution

The third proportional to 116,523 and 128,835 is: 142,447.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,523 : 128,835 = 128,835 : x
  2. Step 2: Convert to fraction form
    116,523/128,835 = 128,835/x
  3. Step 3: Cross multiply
    116,523x = 128,835 × 128,835
  4. Step 4: Simplify right side
    116,523x = 16,598,457,225
  5. Step 5: Solve for x
    x = 16,598,457,225/116,523
  6. Step 6: Final answer
    x = 142,447.90

Related Problems

Find third proportional to 58,261.50 and 64,417.50
Half scale
Find third proportional to 233,046 and 257,670
Double scale
Find third proportional to 116,525 and 128,837
Similar ratio
Find third proportional to 174,784.50 and 193,252.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.