Home / 211,489-457,826

Finding the Third Proportional to 211,489 and 457,826

Calculator

Solution

The third proportional to 211,489 and 457,826 is: 991,090.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,489 : 457,826 = 457,826 : x
  2. Step 2: Convert to fraction form
    211,489/457,826 = 457,826/x
  3. Step 3: Cross multiply
    211,489x = 457,826 × 457,826
  4. Step 4: Simplify right side
    211,489x = 209,604,646,276
  5. Step 5: Solve for x
    x = 209,604,646,276/211,489
  6. Step 6: Final answer
    x = 991,090.06

Related Problems

Find third proportional to 105,744.50 and 228,913
Half scale
Find third proportional to 422,978 and 915,652
Double scale
Find third proportional to 211,491 and 457,830
Similar ratio
Find third proportional to 317,233.50 and 686,739
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.