Home / 211,111-457,456

Finding the Third Proportional to 211,111 and 457,456

Calculator

Solution

The third proportional to 211,111 and 457,456 is: 991,260.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,111 : 457,456 = 457,456 : x
  2. Step 2: Convert to fraction form
    211,111/457,456 = 457,456/x
  3. Step 3: Cross multiply
    211,111x = 457,456 × 457,456
  4. Step 4: Simplify right side
    211,111x = 209,265,991,936
  5. Step 5: Solve for x
    x = 209,265,991,936/211,111
  6. Step 6: Final answer
    x = 991,260.48

Related Problems

Find third proportional to 105,555.50 and 228,728
Half scale
Find third proportional to 422,222 and 914,912
Double scale
Find third proportional to 211,113 and 457,460
Similar ratio
Find third proportional to 316,666.50 and 686,184
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.