Home / 211,464-308,758.50

Finding the Third Proportional to 211,464 and 308,758.50

Calculator

Solution

The third proportional to 211,464 and 308,758.50 is: 450,818.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,464 : 308,758.50 = 308,758.50 : x
  2. Step 2: Convert to fraction form
    211,464/308,758.50 = 308,758.50/x
  3. Step 3: Cross multiply
    211,464x = 308,758.50 × 308,758.50
  4. Step 4: Simplify right side
    211,464x = 95,331,811,322.25
  5. Step 5: Solve for x
    x = 95,331,811,322.25/211,464
  6. Step 6: Final answer
    x = 450,818.16

Related Problems

Find third proportional to 105,732 and 154,379.25
Half scale
Find third proportional to 422,928 and 617,517
Double scale
Find third proportional to 211,466 and 308,761
Similar ratio
Find third proportional to 317,196 and 463,137.75
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.