Home / 69,070-147,617

Finding the Third Proportional to 69,070 and 147,617

Calculator

Solution

The third proportional to 69,070 and 147,617 is: 315,488.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,070 : 147,617 = 147,617 : x
  2. Step 2: Convert to fraction form
    69,070/147,617 = 147,617/x
  3. Step 3: Cross multiply
    69,070x = 147,617 × 147,617
  4. Step 4: Simplify right side
    69,070x = 21,790,778,689
  5. Step 5: Solve for x
    x = 21,790,778,689/69,070
  6. Step 6: Final answer
    x = 315,488.33

Related Problems

Find third proportional to 34,535 and 73,808.50
Half scale
Find third proportional to 138,140 and 295,234
Double scale
Find third proportional to 69,072 and 147,621
Similar ratio
Find third proportional to 103,605 and 221,425.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.