Home / 144,036-207,489

Finding the Third Proportional to 144,036 and 207,489

Calculator

Solution

The third proportional to 144,036 and 207,489 is: 298,895.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,036 : 207,489 = 207,489 : x
  2. Step 2: Convert to fraction form
    144,036/207,489 = 207,489/x
  3. Step 3: Cross multiply
    144,036x = 207,489 × 207,489
  4. Step 4: Simplify right side
    144,036x = 43,051,685,121
  5. Step 5: Solve for x
    x = 43,051,685,121/144,036
  6. Step 6: Final answer
    x = 298,895.31

Related Problems

Find third proportional to 72,018 and 103,744.50
Half scale
Find third proportional to 288,072 and 414,978
Double scale
Find third proportional to 144,038 and 207,492
Similar ratio
Find third proportional to 216,054 and 311,233.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.