Home / 151,769-219,261

Finding the Third Proportional to 151,769 and 219,261

Calculator

Solution

The third proportional to 151,769 and 219,261 is: 316,766.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,769 : 219,261 = 219,261 : x
  2. Step 2: Convert to fraction form
    151,769/219,261 = 219,261/x
  3. Step 3: Cross multiply
    151,769x = 219,261 × 219,261
  4. Step 4: Simplify right side
    151,769x = 48,075,386,121
  5. Step 5: Solve for x
    x = 48,075,386,121/151,769
  6. Step 6: Final answer
    x = 316,766.84

Related Problems

Find third proportional to 75,884.50 and 109,630.50
Half scale
Find third proportional to 303,538 and 438,522
Double scale
Find third proportional to 151,771 and 219,264
Similar ratio
Find third proportional to 227,653.50 and 328,891.50
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.