Home / 69,508-146,668

Finding the Third Proportional to 69,508 and 146,668

Calculator

Solution

The third proportional to 69,508 and 146,668 is: 309,482.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,508 : 146,668 = 146,668 : x
  2. Step 2: Convert to fraction form
    69,508/146,668 = 146,668/x
  3. Step 3: Cross multiply
    69,508x = 146,668 × 146,668
  4. Step 4: Simplify right side
    69,508x = 21,511,502,224
  5. Step 5: Solve for x
    x = 21,511,502,224/69,508
  6. Step 6: Final answer
    x = 309,482.39

Related Problems

Find third proportional to 34,754 and 73,334
Half scale
Find third proportional to 139,016 and 293,336
Double scale
Find third proportional to 69,510 and 146,672
Similar ratio
Find third proportional to 104,262 and 220,002
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.