Home / 212,118-457,446

Finding the Third Proportional to 212,118 and 457,446

Calculator

Solution

The third proportional to 212,118 and 457,446 is: 986,511.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,118 : 457,446 = 457,446 : x
  2. Step 2: Convert to fraction form
    212,118/457,446 = 457,446/x
  3. Step 3: Cross multiply
    212,118x = 457,446 × 457,446
  4. Step 4: Simplify right side
    212,118x = 209,256,842,916
  5. Step 5: Solve for x
    x = 209,256,842,916/212,118
  6. Step 6: Final answer
    x = 986,511.48

Related Problems

Find third proportional to 106,059 and 228,723
Half scale
Find third proportional to 424,236 and 914,892
Double scale
Find third proportional to 212,120 and 457,450
Similar ratio
Find third proportional to 318,177 and 686,169
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.