Home / 102,578-155,281

Finding the Third Proportional to 102,578 and 155,281

Calculator

Solution

The third proportional to 102,578 and 155,281 is: 235,061.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,578 : 155,281 = 155,281 : x
  2. Step 2: Convert to fraction form
    102,578/155,281 = 155,281/x
  3. Step 3: Cross multiply
    102,578x = 155,281 × 155,281
  4. Step 4: Simplify right side
    102,578x = 24,112,188,961
  5. Step 5: Solve for x
    x = 24,112,188,961/102,578
  6. Step 6: Final answer
    x = 235,061.99

Related Problems

Find third proportional to 51,289 and 77,640.50
Half scale
Find third proportional to 205,156 and 310,562
Double scale
Find third proportional to 102,580 and 155,284
Similar ratio
Find third proportional to 153,867 and 232,921.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.