Home / 72,480-115,308

Finding the Third Proportional to 72,480 and 115,308

Calculator

Solution

The third proportional to 72,480 and 115,308 is: 183,442.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,480 : 115,308 = 115,308 : x
  2. Step 2: Convert to fraction form
    72,480/115,308 = 115,308/x
  3. Step 3: Cross multiply
    72,480x = 115,308 × 115,308
  4. Step 4: Simplify right side
    72,480x = 13,295,934,864
  5. Step 5: Solve for x
    x = 13,295,934,864/72,480
  6. Step 6: Final answer
    x = 183,442.81

Related Problems

Find third proportional to 36,240 and 57,654
Half scale
Find third proportional to 144,960 and 230,616
Double scale
Find third proportional to 72,482 and 115,311
Similar ratio
Find third proportional to 108,720 and 172,962
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.