Home / 20,421-49,488.75

Finding the Third Proportional to 20,421 and 49,488.75

Calculator

Solution

The third proportional to 20,421 and 49,488.75 is: 119,932.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,421 : 49,488.75 = 49,488.75 : x
  2. Step 2: Convert to fraction form
    20,421/49,488.75 = 49,488.75/x
  3. Step 3: Cross multiply
    20,421x = 49,488.75 × 49,488.75
  4. Step 4: Simplify right side
    20,421x = 2,449,136,376.56
  5. Step 5: Solve for x
    x = 2,449,136,376.56/20,421
  6. Step 6: Final answer
    x = 119,932.25

Related Problems

Find third proportional to 10,210.50 and 24,744.38
Half scale
Find third proportional to 40,842 and 98,977.50
Double scale
Find third proportional to 20,423 and 49,494
Similar ratio
Find third proportional to 30,631.50 and 74,233.13
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.