Home / 68,020-146,480

Finding the Third Proportional to 68,020 and 146,480

Calculator

Solution

The third proportional to 68,020 and 146,480 is: 315,442.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,020 : 146,480 = 146,480 : x
  2. Step 2: Convert to fraction form
    68,020/146,480 = 146,480/x
  3. Step 3: Cross multiply
    68,020x = 146,480 × 146,480
  4. Step 4: Simplify right side
    68,020x = 21,456,390,400
  5. Step 5: Solve for x
    x = 21,456,390,400/68,020
  6. Step 6: Final answer
    x = 315,442.38

Related Problems

Find third proportional to 34,010 and 73,240
Half scale
Find third proportional to 136,040 and 292,960
Double scale
Find third proportional to 68,022 and 146,484
Similar ratio
Find third proportional to 102,030 and 219,720
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.