Home / 103,729-211,263

Finding the Third Proportional to 103,729 and 211,263

Calculator

Solution

The third proportional to 103,729 and 211,263 is: 430,275.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,729 : 211,263 = 211,263 : x
  2. Step 2: Convert to fraction form
    103,729/211,263 = 211,263/x
  3. Step 3: Cross multiply
    103,729x = 211,263 × 211,263
  4. Step 4: Simplify right side
    103,729x = 44,632,055,169
  5. Step 5: Solve for x
    x = 44,632,055,169/103,729
  6. Step 6: Final answer
    x = 430,275.58

Related Problems

Find third proportional to 51,864.50 and 105,631.50
Half scale
Find third proportional to 207,458 and 422,526
Double scale
Find third proportional to 103,731 and 211,267
Similar ratio
Find third proportional to 155,593.50 and 316,894.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.