Home / 68,292-144,864

Finding the Third Proportional to 68,292 and 144,864

Calculator

Solution

The third proportional to 68,292 and 144,864 is: 307,291.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,292 : 144,864 = 144,864 : x
  2. Step 2: Convert to fraction form
    68,292/144,864 = 144,864/x
  3. Step 3: Cross multiply
    68,292x = 144,864 × 144,864
  4. Step 4: Simplify right side
    68,292x = 20,985,578,496
  5. Step 5: Solve for x
    x = 20,985,578,496/68,292
  6. Step 6: Final answer
    x = 307,291.90

Related Problems

Find third proportional to 34,146 and 72,432
Half scale
Find third proportional to 136,584 and 289,728
Double scale
Find third proportional to 68,294 and 144,868
Similar ratio
Find third proportional to 102,438 and 217,296
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.