Home / 218,712-454,874.25

Finding the Third Proportional to 218,712 and 454,874.25

Calculator

Solution

The third proportional to 218,712 and 454,874.25 is: 946,041.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,712 : 454,874.25 = 454,874.25 : x
  2. Step 2: Convert to fraction form
    218,712/454,874.25 = 454,874.25/x
  3. Step 3: Cross multiply
    218,712x = 454,874.25 × 454,874.25
  4. Step 4: Simplify right side
    218,712x = 206,910,583,313.06
  5. Step 5: Solve for x
    x = 206,910,583,313.06/218,712
  6. Step 6: Final answer
    x = 946,041.29

Related Problems

Find third proportional to 109,356 and 227,437.13
Half scale
Find third proportional to 437,424 and 909,748.50
Double scale
Find third proportional to 218,714 and 454,878
Similar ratio
Find third proportional to 328,068 and 682,311.38
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.