Home / 143,829-306,108

Finding the Third Proportional to 143,829 and 306,108

Calculator

Solution

The third proportional to 143,829 and 306,108 is: 651,482.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,829 : 306,108 = 306,108 : x
  2. Step 2: Convert to fraction form
    143,829/306,108 = 306,108/x
  3. Step 3: Cross multiply
    143,829x = 306,108 × 306,108
  4. Step 4: Simplify right side
    143,829x = 93,702,107,664
  5. Step 5: Solve for x
    x = 93,702,107,664/143,829
  6. Step 6: Final answer
    x = 651,482.72

Related Problems

Find third proportional to 71,914.50 and 153,054
Half scale
Find third proportional to 287,658 and 612,216
Double scale
Find third proportional to 143,831 and 306,112
Similar ratio
Find third proportional to 215,743.50 and 459,162
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.