Home / 102,403.50-211,911

Finding the Third Proportional to 102,403.50 and 211,911

Calculator

Solution

The third proportional to 102,403.50 and 211,911 is: 438,522.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,403.50 : 211,911 = 211,911 : x
  2. Step 2: Convert to fraction form
    102,403.50/211,911 = 211,911/x
  3. Step 3: Cross multiply
    102,403.50x = 211,911 × 211,911
  4. Step 4: Simplify right side
    102,403.50x = 44,906,271,921
  5. Step 5: Solve for x
    x = 44,906,271,921/102,403.50
  6. Step 6: Final answer
    x = 438,522.82

Related Problems

Find third proportional to 51,201.75 and 105,955.50
Half scale
Find third proportional to 204,807 and 423,822
Double scale
Find third proportional to 102,406 and 211,915
Similar ratio
Find third proportional to 153,605.25 and 317,866.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.