Home / 142,678-213,627

Finding the Third Proportional to 142,678 and 213,627

Calculator

Solution

The third proportional to 142,678 and 213,627 is: 319,856.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,678 : 213,627 = 213,627 : x
  2. Step 2: Convert to fraction form
    142,678/213,627 = 213,627/x
  3. Step 3: Cross multiply
    142,678x = 213,627 × 213,627
  4. Step 4: Simplify right side
    142,678x = 45,636,495,129
  5. Step 5: Solve for x
    x = 45,636,495,129/142,678
  6. Step 6: Final answer
    x = 319,856.57

Related Problems

Find third proportional to 71,339 and 106,813.50
Half scale
Find third proportional to 285,356 and 427,254
Double scale
Find third proportional to 142,680 and 213,630
Similar ratio
Find third proportional to 214,017 and 320,440.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.