Home / 197,991-478,494

Finding the Third Proportional to 197,991 and 478,494

Calculator

Solution

The third proportional to 197,991 and 478,494 is: 1,156,398.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,991 : 478,494 = 478,494 : x
  2. Step 2: Convert to fraction form
    197,991/478,494 = 478,494/x
  3. Step 3: Cross multiply
    197,991x = 478,494 × 478,494
  4. Step 4: Simplify right side
    197,991x = 228,956,508,036
  5. Step 5: Solve for x
    x = 228,956,508,036/197,991
  6. Step 6: Final answer
    x = 1,156,398.56

Related Problems

Find third proportional to 98,995.50 and 239,247
Half scale
Find third proportional to 395,982 and 956,988
Double scale
Find third proportional to 197,993 and 478,499
Similar ratio
Find third proportional to 296,986.50 and 717,741
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.