Home / 69,268-147,748

Finding the Third Proportional to 69,268 and 147,748

Calculator

Solution

The third proportional to 69,268 and 147,748 is: 315,145.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,268 : 147,748 = 147,748 : x
  2. Step 2: Convert to fraction form
    69,268/147,748 = 147,748/x
  3. Step 3: Cross multiply
    69,268x = 147,748 × 147,748
  4. Step 4: Simplify right side
    69,268x = 21,829,471,504
  5. Step 5: Solve for x
    x = 21,829,471,504/69,268
  6. Step 6: Final answer
    x = 315,145.11

Related Problems

Find third proportional to 34,634 and 73,874
Half scale
Find third proportional to 138,536 and 295,496
Double scale
Find third proportional to 69,270 and 147,752
Similar ratio
Find third proportional to 103,902 and 221,622
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.