Home / 69,102-144,342

Finding the Third Proportional to 69,102 and 144,342

Calculator

Solution

The third proportional to 69,102 and 144,342 is: 301,505.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,102 : 144,342 = 144,342 : x
  2. Step 2: Convert to fraction form
    69,102/144,342 = 144,342/x
  3. Step 3: Cross multiply
    69,102x = 144,342 × 144,342
  4. Step 4: Simplify right side
    69,102x = 20,834,612,964
  5. Step 5: Solve for x
    x = 20,834,612,964/69,102
  6. Step 6: Final answer
    x = 301,505.21

Related Problems

Find third proportional to 34,551 and 72,171
Half scale
Find third proportional to 138,204 and 288,684
Double scale
Find third proportional to 69,104 and 144,346
Similar ratio
Find third proportional to 103,653 and 216,513
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.