Home / 152,480-217,848

Finding the Third Proportional to 152,480 and 217,848

Calculator

Solution

The third proportional to 152,480 and 217,848 is: 311,239.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,480 : 217,848 = 217,848 : x
  2. Step 2: Convert to fraction form
    152,480/217,848 = 217,848/x
  3. Step 3: Cross multiply
    152,480x = 217,848 × 217,848
  4. Step 4: Simplify right side
    152,480x = 47,457,751,104
  5. Step 5: Solve for x
    x = 47,457,751,104/152,480
  6. Step 6: Final answer
    x = 311,239.19

Related Problems

Find third proportional to 76,240 and 108,924
Half scale
Find third proportional to 304,960 and 435,696
Double scale
Find third proportional to 152,482 and 217,851
Similar ratio
Find third proportional to 228,720 and 326,772
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.