Home / 64,503-136,836

Finding the Third Proportional to 64,503 and 136,836

Calculator

Solution

The third proportional to 64,503 and 136,836 is: 290,282.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,503 : 136,836 = 136,836 : x
  2. Step 2: Convert to fraction form
    64,503/136,836 = 136,836/x
  3. Step 3: Cross multiply
    64,503x = 136,836 × 136,836
  4. Step 4: Simplify right side
    64,503x = 18,724,090,896
  5. Step 5: Solve for x
    x = 18,724,090,896/64,503
  6. Step 6: Final answer
    x = 290,282.48

Related Problems

Find third proportional to 32,251.50 and 68,418
Half scale
Find third proportional to 129,006 and 273,672
Double scale
Find third proportional to 64,505 and 136,840
Similar ratio
Find third proportional to 96,754.50 and 205,254
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.