Home / 381,874-561,118

Finding the Third Proportional to 381,874 and 561,118

Calculator

Solution

The third proportional to 381,874 and 561,118 is: 824,495.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,874 : 561,118 = 561,118 : x
  2. Step 2: Convert to fraction form
    381,874/561,118 = 561,118/x
  3. Step 3: Cross multiply
    381,874x = 561,118 × 561,118
  4. Step 4: Simplify right side
    381,874x = 314,853,409,924
  5. Step 5: Solve for x
    x = 314,853,409,924/381,874
  6. Step 6: Final answer
    x = 824,495.54

Related Problems

Find third proportional to 190,937 and 280,559
Half scale
Find third proportional to 763,748 and 1,122,236
Double scale
Find third proportional to 381,876 and 561,121
Similar ratio
Find third proportional to 572,811 and 841,677
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.