Home / 69,020-147,883

Finding the Third Proportional to 69,020 and 147,883

Calculator

Solution

The third proportional to 69,020 and 147,883 is: 316,855.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,020 : 147,883 = 147,883 : x
  2. Step 2: Convert to fraction form
    69,020/147,883 = 147,883/x
  3. Step 3: Cross multiply
    69,020x = 147,883 × 147,883
  4. Step 4: Simplify right side
    69,020x = 21,869,381,689
  5. Step 5: Solve for x
    x = 21,869,381,689/69,020
  6. Step 6: Final answer
    x = 316,855.72

Related Problems

Find third proportional to 34,510 and 73,941.50
Half scale
Find third proportional to 138,040 and 295,766
Double scale
Find third proportional to 69,022 and 147,887
Similar ratio
Find third proportional to 103,530 and 221,824.50
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.