Home / 149,472-218,458

Finding the Third Proportional to 149,472 and 218,458

Calculator

Solution

The third proportional to 149,472 and 218,458 is: 319,283.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,472 : 218,458 = 218,458 : x
  2. Step 2: Convert to fraction form
    149,472/218,458 = 218,458/x
  3. Step 3: Cross multiply
    149,472x = 218,458 × 218,458
  4. Step 4: Simplify right side
    149,472x = 47,723,897,764
  5. Step 5: Solve for x
    x = 47,723,897,764/149,472
  6. Step 6: Final answer
    x = 319,283.20

Related Problems

Find third proportional to 74,736 and 109,229
Half scale
Find third proportional to 298,944 and 436,916
Double scale
Find third proportional to 149,474 and 218,461
Similar ratio
Find third proportional to 224,208 and 327,687
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.