Home / 102,858-155,388

Finding the Third Proportional to 102,858 and 155,388

Calculator

Solution

The third proportional to 102,858 and 155,388 is: 234,745.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,858 : 155,388 = 155,388 : x
  2. Step 2: Convert to fraction form
    102,858/155,388 = 155,388/x
  3. Step 3: Cross multiply
    102,858x = 155,388 × 155,388
  4. Step 4: Simplify right side
    102,858x = 24,145,430,544
  5. Step 5: Solve for x
    x = 24,145,430,544/102,858
  6. Step 6: Final answer
    x = 234,745.29

Related Problems

Find third proportional to 51,429 and 77,694
Half scale
Find third proportional to 205,716 and 310,776
Double scale
Find third proportional to 102,860 and 155,391
Similar ratio
Find third proportional to 154,287 and 233,082
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.