Home / 28,356-61,631

Finding the Third Proportional to 28,356 and 61,631

Calculator

Solution

The third proportional to 28,356 and 61,631 is: 133,953.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,356 : 61,631 = 61,631 : x
  2. Step 2: Convert to fraction form
    28,356/61,631 = 61,631/x
  3. Step 3: Cross multiply
    28,356x = 61,631 × 61,631
  4. Step 4: Simplify right side
    28,356x = 3,798,380,161
  5. Step 5: Solve for x
    x = 3,798,380,161/28,356
  6. Step 6: Final answer
    x = 133,953.31

Related Problems

Find third proportional to 14,178 and 30,815.50
Half scale
Find third proportional to 56,712 and 123,262
Double scale
Find third proportional to 28,358 and 61,635
Similar ratio
Find third proportional to 42,534 and 92,446.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.