Home / 30,186-66,348

Finding the Third Proportional to 30,186 and 66,348

Calculator

Solution

The third proportional to 30,186 and 66,348 is: 145,831.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,186 : 66,348 = 66,348 : x
  2. Step 2: Convert to fraction form
    30,186/66,348 = 66,348/x
  3. Step 3: Cross multiply
    30,186x = 66,348 × 66,348
  4. Step 4: Simplify right side
    30,186x = 4,402,057,104
  5. Step 5: Solve for x
    x = 4,402,057,104/30,186
  6. Step 6: Final answer
    x = 145,831.08

Related Problems

Find third proportional to 15,093 and 33,174
Half scale
Find third proportional to 60,372 and 132,696
Double scale
Find third proportional to 30,188 and 66,352
Similar ratio
Find third proportional to 45,279 and 99,522
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.