Home / 66,116-145,294

Finding the Third Proportional to 66,116 and 145,294

Calculator

Solution

The third proportional to 66,116 and 145,294 is: 319,292.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,116 : 145,294 = 145,294 : x
  2. Step 2: Convert to fraction form
    66,116/145,294 = 145,294/x
  3. Step 3: Cross multiply
    66,116x = 145,294 × 145,294
  4. Step 4: Simplify right side
    66,116x = 21,110,346,436
  5. Step 5: Solve for x
    x = 21,110,346,436/66,116
  6. Step 6: Final answer
    x = 319,292.55

Related Problems

Find third proportional to 33,058 and 72,647
Half scale
Find third proportional to 132,232 and 290,588
Double scale
Find third proportional to 66,118 and 145,298
Similar ratio
Find third proportional to 99,174 and 217,941
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.